Veeam hard disk read slow. Liked: 2710 times. Can you try a local file level backup to your SSD and then start a file level recovery. I've made sure that I have no residuals left behind. I'm looking at one right now: Hard Disk 2 (2. This applies to all VMs on the source server. The speed in "Network" mode can be decreased because of the two main reasons: 1. 5, vSphere 6. by larry » Thu May 19, 2016 7:59 pm. My B&R Server/Proxy is in my head office (10. 2. 0 GB) 24. novelli wrote:Dell PowerEdge R730xd with twelve 4TB NLSAS hard disk and 10 Gbit networking is a killer Veeam Backup server With SATA disks the SureBackup jobs are a little bit slow and sometimes they fail starting Exchange or SQL Servers VM (I'm talking about the Dell PowerEdge R720xd with previous generation of SAS controller) Cheers Nov 13, 2023 · To use rotated drives, you must enable the This repository is backed by rotated hard drives option in the advanced settings of the backup repository. Those two lines up there tell me that a the Copy Job processed the second Hard disk 20 times slower than Hard disk 1. The backups run in the evening so there won't be user activity on the server. Thanks! Mehnock. Full backups of 20+TB takes nearly two weeks while incremental of 17GB is 12 hours. 5 hosts (a file server and Exchange server on one, an SQL server and the Veeam VM on the other) Production storage is a Synology DS1513+ with four WD Red drives configured in RAID 10. For almost 2 hours. May 25, 2021 · 23:39:17 Using backup proxy xxxx for retrieving Hard disk 1 data from storage snapshot on vdesvc01 00:07 23:39:25 Hard disk 1 (50 GB) 338 MB read at 131 MB/s [CBT] 00:08 23:39:42 Using backup proxy xxxx for retrieving Hard disk 2 data from storage snapshot on vdesvc01 02:15 23:41:59 Hard disk 2 (30 GB) 512 MB read at 146 MB/s [CBT] 00:07 23:42: Mar 18, 2011 · Where it seems to hang is the 2. Taskmanager shows little CPU usage. by BackupTest90 » Wed Jul 29, 2020 5:35 pm. Aug 24, 2021 · Let snapshots exist as short as possible. So just database and SCCM binaries. Feb 14, 2022 · Linux Repo - Slow Transfer. 8 GB read at 24 MB/s 22:30 Hard disk 2 (1. Consider that: size=4096 sets file system block size to 4096 bytes. Obviously, there’s a tradeoff in terms of disk space. May 27, 2021 · Asynchronous read operation failed Failed to upload disk. The other disks continue having only their changed data read. The VM has a size of 2TB and as of this writing the “statistics” shows that I have still 900+ GB left with the restoration rate at 2MB/s at 56% in progress state while the “log” shows “ Restoring Hard disk 1 (2. When I copy a 2. This only happens in VEEAM. by beistrich » Tue Feb 04, 2014 3:02 pm. We also see that there is a IO of 11 MB/s, which is also very little BUT we see 100 % disk usage (blue rectangle). Specify secure restore settings. Vitaliy S. The whole Backup finishes in 3 or 4 hours. Dec 22, 2011 · Set up BackupJob and now when first Job is Running Processing rate is extremely slow (11MB/s). Jan 1, 2006 · The storage can be local disks, directly attached disk based storage (such as USB hard drive), or a iSCSI/FC SAN LUN in case the server is connected into the SAN fabric. Jan 25, 2019 · Hi, We have some problems with our VMx replication with Veeam B&R 9. Mar 30, 2016 · Calculating digests issue. Veeam Server is a VM. 1 KB. The LUN's assigned to the ESX Hosts are also assigned to the Backup Proxy. This seems a bit extreme to me. See sample output in screenshot. The managment Network (which is used for veeambackups, if I am right) of the VMWARE ESXI 6. Its a ESXi 5. Feb 12, 2024 · These files are used by the Veeam CBT driver to keep track of changed data blocks. This is for the Veeam backup server: 800×94 40. Replication was then perform and was successful. testing that adequate power supply is available for this drive. VP, Product Management. Bottleneck source points to your source storage. A planned failover/back When performing a failback after a "Planned Failover" operation, Veeam requires a task called "Calculating Original Signature Hard Disk" to be performed. bin) and state of VM devices (. Here the source is also 99% bottleneck. Posts: 27041. There are no known regression in ESXi 7. Suggest 1. Currently the host that the Veeam VM is running on is not on 10GbE, but I figured we could Mar 14, 2024 · Veeam Backup & Replication provides advanced statistics about the data flow efficiency and lets you identify bottlenecks in the data transmission process. Our first replication job was a 2. That will only use up 60 GB or so of your datastore. When full backups are executed the max Processing Rate is 26%. Mar 9, 2023 · Usually when I see a 0B disk, it’s actually a VM issue and not a Veeam issue. We're transitioning to backup to a cloud based service provider but it seems like our backup jobs are going slow even for WAN speeds. Well, even if that was the case - on occasion we see that the individual disk is processed at 50MB/s, most of the time it is around 12-16MB/s for reverse incremental, but last night's was crawling at 3-4MB/s. As you can see first disk is not in Read-only state, second one is. There are no issues (that I'm aware of) with the regular backup job, it's been running successfully for months and Aug 28, 2015 · Running into a very strange issue using backup copy jobs to create replication seed files that contain VBK/VBM. Max Read speed: 227MB/s. 5GB. We have similar virtual backup tool where we are utilizing multiple backup thread for single hard disk. In the screenshot we see a very high latency (last column) of seconds (!!!), which is too slow for the mentioned disk type, veeam agent reads the most data of all processes. ) I've did an active full of two VMs and the result below: Jun 19, 2014 · I have a small virtual setup which I’m backing up using Veeam B&R 7. " so in case resolving IO issue it would be a good option to use. It seems only slow when the server has been in use - weekends it runs fine (about 30 mb/s read on VMs) but in the week this slows to 11 mb/s. 1 GB read at 15 MB/s [CBT] ----> 03:05:24). I suggest to check outside Veeam with disk (e. 0 B read at 0 KB/s [CBT]" and hang there for a long time before actually starting. I recommend to read this post carefully (5 minutes). The Veeam Backup Service is aware of read and write data rate settings configured for all backup repositories in the backup infrastructure. At this speed the entire 20TB can be read in just 1 day. I have tried the replication or quick migration Jan 18, 2020 · Re: Low Speed on 10Gb Network. Jan 4, 2024 · Disk Performance Chart. Number of already processed blocks: [39660]. Feb 4, 2014 · Re: Backup Incredible Slow - Processing at about 200kb/s. 27/01/2019 23:42:09 :: Queued for processing at 27/01/2019 23:42:09 27/01/2019 23:42:09 :: Required backup infrastructure resources have been Jun 16, 2012 · 1) Data read speed from source performed by proxy is too slow. Jun 16, 2015 · So the problem is that the Read is most of the time between 10-30MB/s. I've contacted support and have spoken to 3 different level 1 techs. 2. If I run a full backup the job will show over 1000MB/s read and the repo will show the Nic at 8Gbps coming in. 0 U2 with Hot Add transport, so this one should be as fast as before. Nov 6, 2020 · Hello, I would say that this is definitely true based on this line: Code: Select all. (I assume this is the fastest option for the first replica run) I have a win 7 virtual machine on the ESXI5 HOST set up as a proxy. 4TB vmware datastore space, powered. Apr 3, 2023 · I’m evaluating Veeam in my lab. Mar 18, 2014 · I have got very slow backupspeed of max. Single-use credentials: credentials that are used only once to deploy Veeam Data Feb 12, 2013 · Re: Reverse Incremental read/write operation details. As you can see almost all data on the drive is being read and correspondingly high backup times. To reset this state, run attributes disk clear readonly. Today i have tested a Replication on a new Server with Veeam B&R 11. I am replicating locally. This new storage should be much faster. I use Veeam on (1) to backup all VMs and store backup data on external HDD on (2) So my problem: I got terrible speed when I restore VM on (2). Jun 6, 2021 · Veeam B&R 11 Veeam MS Agent 5 vSphere 7. 4TB, and transferred 951GB (1. by PetrM » Sun Mar 22, 2020 9:50 pm. Apr 29, 2019 · Due to this backup window is getting extended. For local USB drive, I’d check the hard disk Jan 12, 2016 · Physically, a Hyper-V checkpoint is a differencing virtual hard disk, that has a special name and avhd (x) extension and a configuration xml file with GUID name. I have to reboot the server to get it to clear. Joined: Wed Mar 24, 2010 5:47 pm. by TMC_MG » Sun Jun 26, 2022 10:06 am. Compared to restore from local disk with 140 MBbs. by JohnGG » Tue Dec 15, 2015 9:34 pm. I have a VM with a 16TB, independent disk. Mar 23, 2017 · Amazingly slow inital replication. 1261 P20220302 and Vmware 7. 0u1d (soon to be updated to U2)-----ReFS seems to be quite a bit slower than NTFS. When I read (with HP L&TT) Data from the StoreOnce Share which includes the VEEAM Backup-Data, the speed is 160 MBbs. . This file contains basic information about the VM such as VM name and ID, and describes for which VHD/VHDX files changed block tracking is enabled. The backup log looks something like this (for each VM): Mar 17, 2021 · Re: Backups suddenly very slow. When I disabled the Application Aware and Guest file system indexing the speed increases a little to 6MB/sec. "1/3/2020 9:16:21 PM Restoring Hard disk 1 (50 GB) : 45. Here’s a summary: 2 ESX 5. Processing VM data on the VMware backup proxy. Once the job will hit long sequential segment, the read speed will go up significantly for the duration of that segment. Nov 4, 2016 · Veeam Community discussions and solutions for: Really slow merging to cloud storage of Veeam Hard disk 1 (80. g. We are restoring to a 16 disk array (iSCSI connection to vSphere, VMFS, 10GbE). For example, in a 3 hour 17 minute run last night 3 hours 5 minutes was spent processing that single drive (1/22/2018 6:05:55 PM :: Hard disk 2 (2. Thus, what your are observing can only be caused due to the presence of a bottleneck elsewhere in your backup infrastructure. Oct 10, 2011 · Slow transfer to cloud provider. This is a Full VM restoration job and Sep 4, 2012 · The read speed will depend on change blocks placement: the more random they are, the slower the changed blocks will be read from source storage. Obviously, there is still something else, that lets transfer speed drop. Mar 17, 2016 · Re: Direct Storage Access FC - slow. 2 nights in a row now the replication has taken 4 hours+ to replicate locally, it gets held up for a very long time on calculating digests of the hard drive. 5 GB restored at 92 MB/s [san] These results are much better than the 25-40MB/s I was getting when using thin disks and nbd mode when doing a restore. 0 TB): 188. I've got a call logged with Veeam (00475050) but haven't really had any success or even any indication as to the problem. The Exchange server has one os disk, and two 1,9TB data diks (1 for mailboxes and one for public folders) Both jobs runs fine. 5 U4 installed on Windows Server 2019. Jun 7, 2013 · The problem started just under a week ago - for full backups of VMs our VMWare ESX 5. Feb 17, 2017 · Hanging at "Hard Disk 1 (0. I cannot cancel the job either. 11. 6GB restored at 349KB/s [nbd] 157:xx:xx ”. The Veeam proxy is somewhat limited since it "only" has 2 dual 8Gbit FC, 2 ports for each node, this test was for a single node, so 2x8GB FC. So I did a test on a 7200 with 63*450 10K (RAID 5 5+1) One VM, with only one 60GB disk with real data Inside (to not read zeroes). Failed to download disk. Dec 8, 2014 · Restore from StoreOnce is slow means a speed of 8 to 12 MBbs. To do this, you must enable the Include external USB drives option at the Backup Mode step of the New Backup Job wizard. 4) ESXi Version: 5. 0B) 0. 2GB File from the VM to the physical backupserver 1 get a datarate of 1,2GB/sec. 06. 0 TB) 438. 5 u4. Select a restore point. 6GB read at 8Mb/s [CBT] - 16:01:02. 50MB/sec, running on a 10gbit network. 0 KB read at 0 KB/s. vVOL snapshots create less impact - but it depends on the storage array. Jan 19, 2016 · Re: Slow Backup Speed (7-30 MB/s) by silbro » Wed Jan 20, 2016 10:34 am. conf Sep 1, 2023 · For entire computer backup, you can instruct Veeam Agent for Microsoft Windows to back up data of all external drives the are currently connected to the Veeam Agent computer. reflink=1 enables reflinking for the XFS Dec 14, 2019 · I'd like to use direct SAN Access but the backup always take long time on the step like this: "Hard disk 4 (0. Hi, We are getting rather low read speeds on initial replications, think singled digit MB/s eg. There are no checkpoints on the host. Now the mailserver was fast and ran at roughly 80 mbps, now the file server has been crawling along at around 5 to 10 Jan 1, 2006 · The storage can be local disks, directly attached disk-based storage (such as USB hard drive), or a iSCSI/FC SAN LUN in case the server is connected into the SAN fabric. over 200MB/s. To restore virtual disks, use the Virtual Disk Restore wizard. the software can do more than 1GByte/s . This API will interact with Vmware for backup operation. 8 Tb data drive on the VM, 90%+ of the processing time is spent on this drive. This is because, for every processed block, Veeam needs to do two I/O operations; thus, the effective speed is half. I've had some jobs take 15 minutes to start wheras one job has took 40 Feb 12, 2019 · Re: V11 + ESXi 7. In addition, there may be two additional files with virtual machine (VM) memory (. Thats 16 hours! This is blowing our backup window and causes backup-replication scheduling conflicts. When it comes to backups, especially full ones, Veeam retrieves "every" block of the disk, that is 100% of it. Veeam Backup & Replication processes VM data in cycles. I find backups are at a fast 93MB/s, but restores are slow at 3MB/s. 0 B read at 0 KB/s [CBT]" then after took long time on this step for each disk, the backup finish successfully with processing rate between 50 MB/s and 90 MB/s. On the server that backs up ok, the read rate is between 70 - 80MB/s, on the server that is having issues, the read rate is 74KB/s! Nov 18, 2013 · The problem we have however is that a replication done using CBT is slower than doing a full copy, and slower than a replication without CBT enabled. 3PAR and Veeam Backup server is zoned, I can see all LUNs on the Aug 1, 2013 · this VM is 2. 2017-03-23 08:07:22 :: Hard disk 4 (100,0 GB) 14,7 GB read at 1 MB/s [CBT] This is Veeam B&R 9. Average Read speed: 204 MB/s. This is still far less then I would expect. In general VDDK libraries which available in Vmware will get merged with Veeam software. The final stats show data processed 1. SCCM Source_CM File Library being located on our file server. 7 GB restored at 69 MB/s [nbd]" I would recommend to clarify with our support team why NBD mode was selected instead of SAN as long as all requirements for SAN mode are met. 5 terabytes in size). Not a lot of small files like a File Server could serve. After completing the test, combine the read and write speed from the results and divide it by 2. 6TB, read 1. 0 Build 1746018-> Everything Which is very very very slow. xfs -b size=4096 -m reflink=1,crc=1 /dev/sda1. Jan 10, 2024 · To configure a Linux backup repository for work with Fast Clone, perform the following steps: Format the disk where backups will be stored using the following XFS volume format string: mkfs. (2) I have several ESXI server and install a lot of VMs. So now when the replication runs, it is taking so long, 10hrs - 15hrs, (by looking at the statistic, it looks like the replica is reading Jul 8, 2015 · Option 2: Use Network or Virtual Appliance Transport Mode. the job starts and assigns the proxys but then waits for up to 12 min doing nothing before the actual replication of data starts. by Bjorn » Thu Mar 23, 2017 9:59 am. All luns are thick eager zeroed. Network utilization of the Backup proxy is utalised near 4% (no May 27, 2014 · Out of 100% size of the VM, during the day only 5-10% of it is read, the OS is almost always loaded in memory, so the performances are good. 0 B) 0. 0B read at 0 KB/s [CBT]" I've got an issue at the moment where backup jobs are taking a longt time to begin processing - they get to the "Hard disk 1 (0. High read latency on the source disk sub-system. It would be good to have the option to reduce the load on the SAN (e. this is a copy of the log. Thank you for your answer. Joined: Mon Mar 30, 2009 9:13 am. A different disk is used each day and the result is the same. Oct 24, 2011 · these backup has very slow performance (read at less than10 MB/sec as speed) Since a couple of day, it does not end correctly because on a machine it remains at 99%. At least the graphics in the post are good to show to the guy who always forgets to delete his snapshots. Dec 4, 2015 · Restoring Hard disk 3 (20. Harvey is correct - backup copy is not just a simple file copy, it is a synthetic activity that randomly reads data blocks from the source backup chain. Jul 19, 2016 · Backup performance looks ok. Feb 16, 2017 · Try file copy to both hosts as foggy's suggestion above. diskspd) and network speed test software (e. throttling read rate through veeam) and stretch the backup time to 8-10 Hours. 3 GB restored at 84 MB/s [san] Using proxy VMware Backup Proxy for restoring disk Hard disk 4. 6TB virtual machine that took about 50 hours to complete (avg Sep 30, 2019 · After completely uninstalling VAW and VBR, including ALL of its sub-components (other than SQL Server) from the Server 2019 Hyper-V Host; the I/O problem reoccurred (simultaneously, 4 times on both active VMs and 3 of their VHDs spanning all 3 RAID-1 Volumes). Hard disk 1 (50. 0 GB) 45. 04. In both cases as well the bottle neck is the source. Code: Select all. You can read the detail of a VM replication below : Code: Select all. 5 GB read at 69 MB/s [CBT] Hard disk 2 (50. notes. by foggy » Thu Jun 11, 2020 10:04 pm. Jun 9, 2009 · I am looking at a screenshot I took when the job completed, and it looks like the stats adjusted themselves when the job ended. When we can expect Veeam will leverage this Mar 21, 2022 · Re: Feature Request: Throttle disk read-rate of proxy. The Disk chart shows the rate at which the disk is transferring data during read and write operations. Exception from server: The device is not ready. -ESXi 7. An active full rolls at 80-105MB/s. 5. 0. The replication job rans with < 1mb/s and will take for 50 GB > 24 hours. • Any storage directly attached to, or mounted on a Linux server (x86 and x64 of all major distributions are supported, must have SSH and Perl installed). gday everyone, i started a backup job of 2 servers and one begin a mail server (1. 3 GB read at 67 MB/s [CBT] This is only slightly faster than I expected and not really persuading me to stop using 'Storage Efficiency' on NetApp volumes. And Veeam marks always the source as bottleneck. Launch the Virtual Disk Restore wizard. We have found a work around, if we move the VM that has problems (usually the SQL data disk, but no other disks are affected, weird) to another Host then we get normal performance again. It is very slow, we replicate 16VMs over a 1Gbs link to a NAS. Processing speed 196MB/s. Feb 25, 2014 · Fast then slow Backup. 2015 00:54:46 :: Busy: Source 99% > Proxy 15% > Network 0% > Target 0% Apr 25, 2016 · (1) I install Veeam Backup & Replication on one physical PC (windows 7) the same LAN with ESXI. Liked: 4 times. This is basically how hard drive based storage works, it does not "like" random I/O. Since I need to back up the entire VM and run pre/post job scripts, I created a B&R managed agent job for it. During this period, backup files stored in this repository cannot be modified or deleted. 0, plenty of proxies, and 10GB network. Hi. Mar 19, 2013 · The application can continue working without waiting for the data to be physically written to the hard drives. 6TB in size, we have copied the data of this VM to the DR site, perform a restore, once the restore has completed, we then configured it to seed. Select virtual hard disks to restore. iperf) Jun 27, 2014 · The operation that takes the most time is the Hard Disk backup [CBT], this is the same for the Esxi host which backs up ok, and the one that doesn't. Joined: Wed Oct 27, 2021 12:10 pm. We use DataCore with a mixture of 48 ssd's and 4 nvme's per node. 5 terabytes in size) and the other is a file server (around 3. Apr 11, 2018 · You might see much faster read speeds, e. If you'd prefer to restore the disk as Thick (lazy zeroed), performance can be improved by using the "Picky proxy to use" option in the Full VM Restore and Virtual Disk Restore wizards to select either a proxy that does not have Direct SAN capability or a proxy that has been manually May 22, 2020 · Merge oldest incremental very slow. Here the information: 1) I use the Veeam Backup Server as a proxy (Under Backup Infrastructure -> Backup Proxies -> I have, Name: VMware Backup Proxy, Type:VMware, Host:This server) 2) The proxy is connected with 2*1GB/s (LACP) to the switch Feb 17, 2015 · If we use the same I/O profile, with 512KB for both the stripe size and the Veeam block size, in an 8-disks storage array we have: Raid5: bandwidth (MiB/s) 60,76. I have Veeam Backup & Replication 9. 1. So here's my question: What could be reasons for that? Dec 1, 2011 · The backup speed is under 1 MB/sec. 0 Update3 (target). I have a Linux VM that I replicate hourly. Influencer. When i look at the job for the SQL server it looks like the number of read GB's is close the currently used space on the SQL server: This makes sense Dec 5, 2016 · Turned out it was a defective drive. My Enviroment: Components: Backup Storage: StoreOnce 6500 (v3. 98 / 99 means relatively for sure that the server hardware is too slow. txt file. Hi Mike, yes, the protocol said e. Got the very latest veeam 7 patches on. Keep the snapshot chain as short as possible. Feels like either of the following scenario seems applicable: 1. 2020 01:05:24 :: Hard disk 2 (784,2 GB) 14,8 GB read at 3 MB/s Its from the statistics of a Copy Job. When this option is enabled, Veeam Backup & Replication recognizes the backup target as a backup repository with rotated drives and uses a specific algorithm to make sure that the backup chain Jan 20, 2012 · Veeam Community discussions and solutions for: Hard disk 2 (512,0 GB) 2,2 GB read at 12 MB/s [CBT] backups are slow after upgrade to v8. Posts: 20. 1090 (telling the install wizard to retain all my settings, etc. If I recall correctly, I remove the disk from the VM, and then add it back as an existing disk, and once it’s showing correctly, then Veeam can grab the disk for backups. I have one backup job with 43 VM in a vSphere Cluster (Windows and Linux Guest OS). An external drive whose data you want to back up Jun 26, 2023 · Check prerequisites. This FAQ covers supported backup repositories. Mar 10, 2015 · Remember: Update the path in the command to have the tool test the location where the backups are stored. But again, remember to carefully evaluate these configurations options when you design a new SQL sever involves high iops so the host drives may already Been under load when the vm disks are mounted into the veeam proxy to read. Disk usage is shown as an average for all physical disks on a machine where a backup infrastructure component runs. May 12, 2015 · 1. Jul 23, 2012 · The backup files are located on a 8 disk array connected to the Veeam VM (Win 7 x64 via MS iSCSI initatior, NTFS, 10GbE). 1U1 server, Veeam (located on a different physical server - eg using Network Backup) is processing and reading the entire drive capacity of the source VMs. 0 Update 3 host running on a i7 system with 64GB, SSD and HD storage and a 1G NIC. Full Name: Christopher Navarro. iSCSI LUNs are used to mount datastores in the ESXs Backup Oct 27, 2015 · This is the log from one of the other VMs, as you can see only a tiny amount of data to read and correspondingly small backup times. Bottleneck: Target Disk read (live data, since job is running now) are ~4-5MB/s per/Harddisk. For every VHD/VHDX or AVHD/AVHDX file of a VM, there is a separate CTP file. by IBM FLASYSTEM NVME Array, on 16Gbit SAN Switches. once the data replication kickes in it is very quick processing at 111MB/s its just the initial start. I would expect a performance drop, but it would May 13, 2021 · Re: V11 + ESXi 7. Asynchronous read operation failed Unable to retrieve next block transmission command. 2015 00:52:16 :: Festplatte 2 (50,0 GB) 1,9 GB read at 17 MB/s [CBT] 16. 5 is connected to a 10Gbit Intel-nic, the Mar 3, 2016 · Re: Direct Storage Access FC - slow. Feb 29, 2012 · I've seen this on a few of my BCJ's so far (seems intermittent, and not always the same BCJ affected), but I've got one running right now, where it has been sat on: Hard disk 1 (25. And image level backups are much less susceptible to the problem you mentioned. . The Veeam application should be running in a VM, but the destination storage can be your external drive, NAS, etc. Finish working with the wizard. This task reads the entire source VM from disk in order to verify the integrity of the VM data, prior to failing back to it. Agent failed to process method {DataTransfer. If a Microsoft Hyper-V Feb 1, 2012 · The SQL has one os disk and one 1,9TB data disk. Mar 20, 2019 · Re: SAN Restore Performance. Finally run attributes disk to show settings of selected disk. Select a VM. check that corrrect PM and ACPI drivers are loaded (my experience is with Lenovo, and they are quite famous for providing bad drivers) 3. We have a backup time window of 14 Hours. Our recovery times seem to get stuck at 27MB/s. by emachabert » Mon Mar 21, 2016 9:12 am 1 person likes this post. 8 TB) 158. To check which data processing stage is defined as "Bottleneck" according to job statistics and to focus your attention on a problematic stage, maybe run additional performance tests for such stage. Changing one disk means only the changed disk needs to be read. The summary shows a duration of 16:53 with processing rate of 25MB/s, but bottleneck shows N/A. 4 Feb 25, 2021 · When I run a replication task or quick migration, the speed maxes at 110MB/s with Bottleneck=Target 99%. Jul 19, 2016 · If you abort the job, the metrics go back to normal. 2) The link between proxy and repository with replica metadata is too slow. Below is the result of a replication using CBT: Jul 21, 2011 · We have a replication job setup to replicate from 1 host to another. Mar 18, 2009 · SAN Backup Slow - real slow! I have configured the Backup Proxy (Physical Server) to use SAN method only for transport. surfingoncloud. My replica jobs hang on Hard disk 1 (0 B) 0 B read at 0 KB/s [CBT] They sit there indefinitely. Additionally, running iperf3 between the machines yields 1GB/s between them. target at 79 or 65 is not really critical usually. 0 GB) 14. 0 GB) : 8. I just updated my free Veeam Agent to 6. 1. 5x). We have several Windows Server VMs connected to the 10Gbps network and can transfer files between them at 700MB/s. Since 1 Mb/s is quite slow, I'd recommend to contact our support team and to ask our engineers to look for some hints Jan 6, 2023 · Replica Stuck Reading Hard Disk (0KB) by jimerb » Fri Jan 06, 2023 2:24 pm. Jun 14, 2021 · Select disk number you want to check possible lock by running select disk n, with n the disk number. At least when creating the first, full backup and incrementals. 5 host with local storage (6 disks with RAID 5) Write Cache enabled on RAID Adapter. Re: Veeam v9 Backup Performance Slow. vsv) if the VM was turned on within checkpoint creation. Every cycle includes a number of stages: Reading VM data blocks from the source. Had same issue, graph looked the same with gaps, speeds would drop to 1 mb or zero. The “Transferred” count for the entire job is 14. May or may not have to do some wiggling of snapshots, consolidation, etc. Hi Hanieh, "99 % Source" means that data retrieving in the "Network" mode is the slowest data processing stage. However if you using the write back cached mode - in case of power outage the data stored at the moment in cache would be completely loss so using UPS is highly recommended. From VBR repository side – check your network throttling rules and make sure that you have at least one free task assigned to the repository while performing a recovery. This is a completely different I/O pattern than what happens when the VM is executed. Backup settings are daily with 30 restore points, backup mode is Incremental. Mar 27, 2013 · Veeam B&R slow. And I attach one external HDD to one VM. 0 U2: extremely slow replication and restore over NBD. VM has 1. Full Name: Larry Walker. Mar 3, 2020 · 21. My issue was also a failing drive in the repository, veeam did show target was the issue. Feb 20, 2012 · At a minimum, create a VM for Veeam and connect your external drive to the Veeam VM. 4vCPU and 16 Gb Ram. Apr 9, 2017 · It was so slow that the initial backup would often fail (after running for 2-3 days just to backup the initial ~6TB to an GbE connected Synology). I sent logs to Veeam who said I need to look at my configuration of the Linux Repository as it appears the small file transfer rate is extremely slow. It could be necessary to Apr 3, 2014 · m. if possible replace drive with another one as a test. ) after having it out of date for some months, and without changing anything else in my setup that I'm aware of, a full backup of my laptop which used to take perhaps in the ballpark of 1~3 hours has been going for over 15 hours and still has ~10% left to go. In our environment we have dual 40 Gbe to the switch and 10Gbe to our repo and multiple sans. Assuming you are using a gigabit connection on the first host, your connection from the second host (slow one) to the SAN may not be using gigabit connection, rather 100mbit. 0 GB) 0. From your performance numbers it seems you're using NBD transport for the target host, and NBD always uses the management network which is 100 Mb in your case. 0 VLAN) and I replicate to the DR ESXi Dec 12, 2023 · The hardened repository supports the following features: Immutability: when you add a hardened repository, you specify the time period while backup files must be immutable. May 18, 2020 · OS: Windows Server 2019 (latest patches) Storage: CSV, I-SCSI, Dell Compellent & Hitachi VSP G370. For those wondering what the option "Do not reserve disk space when creating files" actually does: It sets the option "strict allocate=no" in the [global] section of /etc/samba/smbinfo. I have put in an extra ESXi host called ESXI5 (NOT IN Vsphere as its temporary) target to run a couple of replicas over to using the seed option. Jan 25, 2024 · The data read and write speed is controlled with the Limit read and write data rates to <N> MB/s option that you can enable in backup repository settings. -VBR 12. When I run a backup copy job to create the seed from existing backups on disk, copying some VMs is VERY slow (taking 24-48hrs) while others are fast. 0, utilizing both backup jobs and replication jobs. Raid10: bandwidth (MiB/s) 101,27. Any storage directly attached to, or mounted on a Linux server (x86 and x64 of all major distributions are supported, must have bash shell and SSH Perl installed). 1420 running on an i5 system with 16GB, with two 1G NICs, NIC1 connects to the lab network with the ESXi server, NIC2 connects to the main Mar 31, 2018 · VBR11 : Extremely slow recovery. Jobs are running but near 20MB/s - also i can see thye are using the network still. Jul 31, 2020 · Re: "Read at 1 mb/s". Jun 2, 2020 · Re: Backup copy job is slow. We have a 100Mbps fiber line which I know isn't the fastest but its also not slow. Mar 9, 2022 · Re: slow backup speed 02612135. g "Restoring Hard disk 4 (90 GB) : 58,9 GB restored at 70 MB/s [san]" and "SAN" means, all prerequesites fullfills (Thick Disk, Proxy Access to VMDKs,. SyncDisk}. Here an example: 16. If you can assign both roles to the same server: proxy and repository for metadata, it will help to exclude the version 2 (proxy-repo link) as long as digests recalculation speed remains the same. Backup: Veeam 9. investigating in statistic for the job one can see in the problematic virtual machine (with two hard disk) that one disk stay for hours at "59,9 GB read at 5 MB/sec" (Hard disk is Apr 5, 2011 · At random, our backups will become very slow. 2020 01:01:53 :: Hard disk 1 (147,3 GB) 5,7 GB read at 84 MB/s 21. And v6 is giving a 99% source bottleneck. Restoring Hard disk 4 (10. As an example, running a backup copy job on our exchange VM is capping out at 80MB/s Oct 27, 2021 · Hi, yes I think so. Specify a restore reason.