Hi,
I would really interrested in how you get all this working =]
Btw, yes it use Virtual Center (backup proxy) HD space but for my point of vue
and as Hard I/O on ESX is not really "improved" for, I do not use more than
50Gig per OS.
More important space is allocated in shared Vmdk on SAN that take snapshots and
goes directly on Tape(another one w/another backup solution =/)
So, i never see more than 100Gig in the same time on the Virtual Center (backup
proxy)
About the "SCSI reservations", i didn't diagnose any of this (by lake of
knoledge), but the NAS we use for tests (FreeNAS actualy) is connected in Gig
through NFS, and works (for your purposes) like a charm.
--
Regis A. Despres
Robert LeBlanc a écrit :
|
| We tried Consolidated Backup and it's a pain in the neck. You have to copy
the whole machine to the Windows machine (1 TB VM = 1 TB of storage on the
Windows machine) before backup up to tape. It also created a ton of SCSI
reservations and took down our test SAN twice.
|
| We have since opted to putting Bacula client on our ESX host and a series of
scripts to determine which host a VM is on. Our VMs are backed up straight to
tape and they stay running with snapshots. I finished up the scripting
yesterday so we will see how it works on Sunday.
|
| > -----Original Message-----
| > From: bacula-users-bounces AT lists.sourceforge DOT net
[mailto:bacula-users-
| > bounces AT lists.sourceforge DOT net] On Behalf Of Regis A. Despres
| > Sent: Saturday, May 31, 2008 4:44 AM
| > To: bacula-users AT lists.sourceforge DOT net
| > Subject: Re: [Bacula-users] Slow backup from VMWare
| >
| >
| > Hi,
| >
| > In case we're still talkin' about ESX, there's a wonderful stuff called
| > VCB (vmware consolidated backup) from VMWare.
| > that can make live snapshot (no VM reboot)
| > then can make those snapshots available on the Virtual Center.
| > It results a kind of really useful "backup proxy" w/ less I/O and better
| > "calibrated" network load.
| > As i mostly use FreeBSD guests, i only backup full hosts. But it might be
| > done diferently w/vmtools (according to the docs).
| > Of course freely available from vmware ressources =]
| >
| > Regards,
| >
| >
| > --
| > Regis A. Despres
| >
| >
| >
| >
| > Gregory Orange a écrit :
| > |
| > | I guess we cheat - we pause the VM for the duration of the backup, and
| > | simply back up the host. This results in a complete system backup of the
| > | VM, and we get full speed backup of a few large files each night. We can
| > | do this happily because none of our VMs are very large - 10GB at most -
| > | so not too much tape space is used. Our large data set (~3TB) is not
| > | virtualised.
| > | When the host is upgraded, or the VMs are moved somewhere other than
| > | that SLES9 box[1], we'll have a newer version of LVM such that we can
| > | pause the VM, create an LVM snapshot, resume the VM, perform a raw
| > | backup of the snapshot, then delete the snapshot. Much less downtime for
| > | the VM.
| > |
| > | [1] For some reason, we can't currently delete LVM snapshots without a
| > | lot of work including host reboots. This would require huge disk space
| > | wastage or unacceptable reboots!
| > |
| > | Brian Debelius wrote:
| > | > I've never achieved more then about 10MBs from Server running under
| > SUSE
| > | > 9. I am moving things to ESX right now. I have not benchmarked the
| > | > raid yet, but a single disk was around 45MBs
| > | >
| > | > Keith Sudbury wrote:
| > | >> Hi Everyone,
| > | >>
| > | >> I have a CentOS box running a LTO-3 SCSI drive and I am currently
| > | >> getting abour 7 / 8 MB/s from a Windows 2003SBS machine running on
| > the
| > | >> CentOS box. This is the only VM on the box and the server has no
| > load.
| > | >>
| > | >> The box is a new Dell server of reasonable spec and has the Vmware is
| > | >> running in "bridged" mode for networking, the drive are SATA and
| > | >> confisured in a RAID5 (with a real hw card). I'm not expecting a
| > rocket
| > | >> but 7mb/s ???
| > | >>
| > | >> I am wondering if any of you have experianced any thing simular?
| > | >>
| > | >>
| > | >> Many Thanks
| > | >>
| > | >>
| > | >
| > | >
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| > |
| > | --
| > | - ---- -----
| > | Gregory Orange Phone: +61 8 9387 7955
| > | System Administator Fax: +61 8 9387 6686
| > | RPS MetOcean http://www.rpsmetocean.com.au
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