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Re: [BackupPC-users] mysql streaming
2013-04-26 17:26:58
<backuppc AT kosowsky DOT org> wrote on 04/26/2013 05:04:07
PM:
> If you are indeed talking about files in the 50-200GB range, you are
> not going to fit more than a handful of files per TB disk... even
if
> you have a RAID array of multiple disks, you are still probably
> talking about only a small number of files. So, you are probably
> better off writing a simple script that just back up those few DB
> files and rotates them if you want to retain several older copies.
Which is something *else* I do (for, say, NTBACUP
or Windows Server Backup), again by using that NFS or Samba share on my
BackupPC server! :) Basically, I often use my BackupPC systems
as a combination NAS/Backup server. Again, works very well.
If you're dealing with a bunch of SCSI (Really? Not
SAS?) servers, I assume you have *some* budget. I just spent less
than $6,000 for a server with 12 3TB SATA hot swap hard drives (rated for
24/7 operation, not desktop drives), 2 x Intel Xeon E5 2.4GHz quad-core
processors, 16GB RAM, an LSI RAID controller and 4 x GbE and 2 x 10GbE.
Configured for RAID-6 with hot-spare, I still got >24TB of space.
That puppy moves >800MB/s to the drives... All for $6k.
If I had cut some corners on RAM and CPU (and skipped the extra GbE
ports) it would have been a little over under $4k.
That's enough space for more than 100 copies of a
200GB database.... And you could still use BackupPC for keeping older
copies around over time, even if you don't get much help with pooling...
Tim Massey
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