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Questions tagged [deduplication]

98 questions
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Is it safe to delete chunks.chk file while using SDFS?

I setup a temporary storage NAS using various hard drives and random components lying about my workshop. It is running CentOS 7, with a software RAID of 8 500 GB SATA drives connected as spare drives through cheap fake-RAID controllers. I then used…
0xhughes
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Mavericks permission issues with Windows Server deduplicated shares

We have a number of 10.9-10.9.3 - Mavericks - machines installed throughout our facility. Much of the user content is pulled from shares stored on our Windows Server 2012 fileservers with deduplication enabled. I have found that files newly written…
dmohlmaster
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How to cut of Windows 2012 Server to save the disk space?

I have VPS Hosting windows 2012 Server + MSSQL Server 40GB storage. I am running out of space and I don't want to upgrade the hosting to more expensive variant. I have cleaned logs, temporary files, recycle bin. And it is not enough. I analyzed the…
Tomas Kubes
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Backing up multiple git repos of the same project (deduplication)

I use a central git server (a gitlab instance). Developers clone projects to a samba share on another server. At the moment, I make backups of the gitlab server and all of the developers directorys on the other server. This costs a lot of disk…
Chris Keschnat
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Server 2012 Data Deduplication Skipping Replica VHDs

I'm currently trying to use data deduplication on two seperate Windows Server 2012 Datacenter edition hyper-v hosts. On one, I am trying to dedupe replicas that are still being resync'd every 5 minutes or so. On the other, I have stopped the…
Matt Wall
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ZFS dedup block usage?

How can I list all the ZFS dedup blocks and the files that are associated with each one? e.g.: BLOCK FILES e6b678a /pool/a/file1 /pool/a/file2 If that's not possible, what about determining which deduplicated blocks are being used…
gak
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HP D2D 4312 Bacula configuration

I have configured 5 libraries on the HP D2D system Discovery on the Bacula server shows only the last library and not all libraries. Why? [root@server bacula]# iscsiadm --mode discovery --type sendtargets --portal 10.66.59.114 10.66.59.114:3260,1…
krisdigitx
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How to activate deduplication in Windows Server 2012?

I just installed Windows Server 2012, and while I see and read about a new deduplication feature, the Server Manager keeps reporting empty fields in the columns for deduplication rate and savings. How do I get the server to start looking for…
Andrew Arnott
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ZFS: can per-user encrypted filesystems be deduplicated on block-level?

Let's assume I build a storage system where each user gets his/her own encrypted filesystem on top of a ZFS pool. Would deduplication on pool-level still work when each fs is encrypted? What encryption options do I have or which should be favoured?…
isync
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Should I use USB drive for Solaris 11 Express

Debating on if I should use a 16gb USB drive for my Solaris 11 Express SAN server. I intend to use Deduplication which I believe may be IO intensive for the DB. Though I can't be sure. The SAN server is expected to be on 24/7 for a number of…
Garuda
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Differential backup of dedup volume

We are currently doing a complete remote backup of our VM's once a week. This takes the whole weekend, and I'd like to speed up the process some if possible. We are backing up the VM's using Dedup, and the backup size is 300GB using a 128KB block…
David Houde
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IMAP server that saves space on identical attachments

Looking for IMAP server that can detect duplicate attachments across mailboxes and would not waste space on them. So, if 4 local mailboxes receive the same attachment I would like it to be stored only once on the file system. Open source preferred.…
Unreason
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Deduplication option in Backup Exec 2010 - does it work like this?

We have a 6TB backup-to-disk system running with Backup Exec 2010. Each week, a full backup is carried out with differentials on the other days. We manage to get about four weeks of backups in there. Firstly, am I right in thinking that the…
Rob Nicholson
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VMware ESXi 4 On-Disk Data Deduplication - possible and supported?

Environment: We are running multiple web, database, and application servers which usually share a pretty common installation (gentoo linux) and similar configuration in VMware ESXi 4. The differences are usually only some installed features or…
hurikhan77
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Migrating file server with Windows Deduplication by switching disk

I'm migrating a bunch of large file servers to new Windows VMs as a way of updating the OS, planning on switching the virtual disks over and exporting/importing the lanman share registry and retaining the same name/ip so we don't have to re-config…
N8_AS
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