Michael Galloway wrote:
> On Thu, Dec 20, 2007 at 12:17:36PM -0500, Robin Blanchard wrote:
>> I'm currently in the testing phase with LTO-3 (full multitape changer
>> test currently ongoing) and am seeing:
>>
>> Wrote blk_block=4835000, dev_blk_num=3000 VolBytes=311,915,455,488
>> rate=4475.5 KB/s
On Thu, Dec 20, 2007 at 12:17:36PM -0500, Robin Blanchard wrote:
> I'm currently in the testing phase with LTO-3 (full multitape changer
> test currently ongoing) and am seeing:
>
> Wrote blk_block=4835000, dev_blk_num=3000 VolBytes=311,915,455,488
> rate=4475.5 KB/s
> Wrote blk_block=484, de
On Dec 20, 2007 12:17 PM, Robin Blanchard <[EMAIL PROTECTED]> wrote:
> I'm currently in the testing phase with LTO-3 (full multitape changer
> test currently ongoing) and am seeing:
>
> Wrote blk_block=4835000, dev_blk_num=3000 VolBytes=311,915,455,488
> rate=4475.5 KB/s
> Wrote blk_block=484,
I have a new LTO-4 library and LTO-3 tapes. I have changed the buffers
around and I am using a 1MB block size. The best I have been able to
get on a single client backup is 89MB/sec on a ~300GB backup to a LTO-3
tape.
I found that most of my clients max out at 25MB/sec. If backup 6
clients at a
5,488
rate=4475.7 KB/s
Which seems pretty sad.
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:bacula-users-
> [EMAIL PROTECTED] On Behalf Of Michael Galloway
> Sent: Thursday, December 20, 2007 11:28 AM
> To: bacula
> Subject: [Bacula-users] LTO4 backup rates
>
On Thu, Dec 20, 2007 at 06:05:03PM +0100, Ralf Gross wrote:
>
> For full backups I get 70-75MB/s write speed to LTO-4 tape. Spooling
> seems to make not much difference here. The overall backup speed
> (whole job) drops with spooling enabled, because it's asynchron for
> single jobs (spooling -> d
Here (to compare) under an old suse 9.1 installed on IBM x235 server
(Intel Xeon 3.2 HT + 4Go Ram + ibm serveraid 6M (scsi) + 6 hdd in raid5 (u320
10.000tr/m)
xfs filesystem backuped to QUANTUM SDLT320 TAPE
The machine is SD & FD bacula (dir is on another PC)
Elapsed time: 2 hours 9
Michael Galloway schrieb:
> out of curiosity, i'm wondering what other folks are getting for backup rates
> to LTO4. i seem to be getting these sorts of rates:
>
> local disk backups (3ware raid6 9650SE sata disks/xfs filesystem):
> Elapsed time: 8 hours 22 mins
> Priority:
sorry, should have added, this is bacula 2.2.6 patched and
2.2.6 client.
On Thu, Dec 20, 2007 at 11:28:24AM -0500, Michael Galloway wrote:
> good day all,
>
> out of curiosity, i'm wondering what other folks are getting for backup rates
> to LTO4. i seem to be getting these sorts of rates:
>
>
Excellent metrics. We've got an InfiniBand card on order so we'll let
you know what we get when it's installed.
On Dec 20, 2007 8:28 AM, Michael Galloway <[EMAIL PROTECTED]> wrote:
> good day all,
>
> out of curiosity, i'm wondering what other folks are getting for backup rates
> to LTO4. i seem t
good day all,
out of curiosity, i'm wondering what other folks are getting for backup rates
to LTO4. i seem to be getting these sorts of rates:
local disk backups (3ware raid6 9650SE sata disks/xfs filesystem):
Elapsed time: 8 hours 22 mins
Priority: 10
FD Files Wri
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