I am running amanda 1.6.1.p1 on Solaris 10/x86.
The only client is the server itself.
There are 17 DLEs in amanda's disklist, while only 15 mount points
are listed, I'd divided /stations (it needs to be divided differently
but that is a negligable issue).
I am running zfs-snapshots with server estimates excepting the
since UFS file system /.
>From the very bottom of the list you can see that I have allocated
another zfs array for use as amanda work, it holds 4 Terra which
should be enough to dump all of the other paritions concurrently,
we aren't doing so, but holding space is not our performance block.
Our performance block, per system monitoring is the throughput
to the amanda work area. We had it configured as raid, its now
a stripe, with no better performance per our test suite.
What if any switches can I tune (either within amanda or in ZFS)
to get better I/O across the work area drives ? The array consists
of 8 750Gig spindles a an ultra 320 bus.
We output to an SL24/LTO4.
thank you,
Brian
> df -hl
Filesystem size used avail capacity Mounted on
/dev/dsk/c4t2d0s0 30G 7.5G 22G 26% /
cascadep 4.9T 56K 2.0T 1% /cascadep
cascadep/export 4.9T 58K 2.0T 1% /cascadep/export
cascadep/export/apache
4.9T 36K 2.0T 1% /cascadep/export/apache
cascadep/export/home 100M 81M 19M 81% /cascadep/export/home
cascadep/export/source
4.9T 270M 2.0T 1% /cascadep/export/source
cascadep/export/confocal
4.9T 965G 2.0T 32% /cascadep/export/confocal
cascadep/export/stations
755G 479G 276G 64% /stations
cascadep/export/ghost
755G 614G 141G 82% /cascadep/export/ghost
cascadep/export/shain
755G 347G 408G 46% /cascadep/export/shain
cascadep/export/rcole
755G 155G 600G 21% /cascadep/export/rcole
cascadep/export/herron
755G 130G 625G 18% /cascadep/export/herron
cascadep/export/chen 755G 80G 675G 11% /cascadep/export/chen
cascadep/export/outside
4.9T 40G 2.0T 2% /cascadep/export/outside
cascadep/export/bowser
755G 42G 713G 6% /cascadep/export/bowser
cascadep/export/liuz 755G 21G 733G 3% /cascadep/export/liuz
cascadep/export/archives
4.9T 79G 2.0T 4% /cascadep/export/archives
raidinc 5.4T 19K 5.4T 1% /raidinc
raidinc/amanda 5.4T 24K 5.4T 1% /raidinc/amanda
---
Brian R Cuttler brian.cuttler AT wadsworth DOT org
Computer Systems Support (v) 518 486-1697
Wadsworth Center (f) 518 473-6384
NYS Department of Health Help Desk 518 473-0773
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