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Re: [Networker] Query in Staging from adv_file
2008-08-21 11:53:35
On Aug 21, 2008, at 10:36 AM, Peter Viertel wrote:
well I suppose that S stands for super then... :-)
So SAIT-1 ... I looked that up and the native transfer speed is
30MB/sec, so 45MB/s sounds valid... 70-90 sounds like compressible
data
- so maybe there is a performance hit in your config somewhere..
A suggestion for a test might be to backup some pre-compressed data.
bzip2 is good for this - do a time comparison of backing up this same
data direct to tape and via adv_file...
Just grasping in the dark here - but what is the zpool config?
Raid-z? Mirrors? Compression?
I don't know. I am not an OS guy. Our X4500 was set up by a Sun SE.
The tests you suggested are interesting. Unfortunately, my X4500 is
almost always busy doing tape backups, disk backups, or staging, so
its difficult for me to find a window of time to do such testing.
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