Forum: Storage & Hardrives
April 27th 09, 02:45 PM Posted to comp.os.linux.development.system,comp.arch.storage
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Replies: 32
Views: 2,174
Unimpressive performance of large MD raid
kkkk wrote:
This guy
http://lists.freebsd.org/pipermail/freebsd-fs/2008-September/005170.html
is doing basically the same as I am doing with software raid done with
ZFS in freebsd...
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Forum: Storage & Hardrives
April 27th 09, 02:40 PM Posted to comp.os.linux.development.system,comp.arch.storage
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Replies: 32
Views: 2,174
Unimpressive performance of large MD raid
kkkk wrote:
I am writing a sequential 14GB file with dd
time dd if=/dev/zero of=zerofile count=28160000 conv=notrunc ; time sync
What's your block size for dd? I'm guessing it's the default...
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Forum: Storage & Hardrives
June 10th 08, 05:55 PM Posted to comp.arch.storage
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Replies: 2
Views: 501
Dell/EMC AX100 UPS
We've just bought an AX100 on ebay and have it running in our test
environment. Cheap and cheerful...
While we can run it on a UPS we don't have any signalling set-up so
the AX100 does not know it's...
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Forum: Storage & Hardrives
April 18th 08, 04:08 PM Posted to comp.arch.storage
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Replies: 10
Views: 579
Where Is My 1TB Big Disk LaCie Drive?
maria wrote:
maria
you should consider doing backups. They're kind of handy.
Backup, that WAS the backup!
So you have the master copies on another drive...
Time to get a new backup...
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Forum: Storage & Hardrives
March 16th 07, 04:10 PM Posted to comp.arch.storage
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Replies: 1
Views: 240
ML370 RAID drive replacement help!!
WipeOut wrote:
Hi,
We have a ML370 that has a 5 disk RAID 5 array.. One of the disks has
the red light flashing and the event log says the status is "predictive
failure".. I have just...
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Forum: Storage & Hardrives
March 1st 07, 04:51 PM Posted to comp.arch.storage
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Replies: 6
Views: 760
SAN devices & OS compatibility
Steve Adams wrote:
Hello.
I'm wondering if someone could explain to me why a particular SAN
storage solution, like say a Sun Storedge 6920, wouldn't work with a
Novell file server,...
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Forum: Storage & Hardrives
February 16th 07, 03:49 PM Posted to comp.arch.storage
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Replies: 2
Views: 280
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Forum: Storage & Hardrives
January 22nd 07, 11:41 AM Posted to comp.arch.storage
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Replies: 9
Views: 700
carrier-less sata docks
wrote:
thanks, guy.
pity---such a carrier should be very cheap to make, so what if it is
obsolete in 3 years?
It's not just the carrier but the back plane to which the...
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Forum: Storage & Hardrives
January 16th 07, 03:50 PM Posted to comp.arch.storage
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Replies: 7
Views: 442
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Forum: Storage (alternative)
January 4th 07, 02:24 PM Posted to comp.sys.ibm.pc.hardware.storage,comp.arch.storage,alt.comp.hardware.pc-homebuilt,comp.os.linux.hardware
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Replies: 13
Views: 420
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Forum: Homebuilt PC's
January 4th 07, 02:24 PM Posted to comp.sys.ibm.pc.hardware.storage,comp.arch.storage,alt.comp.hardware.pc-homebuilt,comp.os.linux.hardware
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Replies: 13
Views: 511
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Forum: Storage & Hardrives
January 4th 07, 02:24 PM Posted to comp.sys.ibm.pc.hardware.storage,comp.arch.storage,alt.comp.hardware.pc-homebuilt,comp.os.linux.hardware
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Replies: 13
Views: 563
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Forum: Storage (alternative)
January 3rd 07, 03:36 PM Posted to comp.sys.ibm.pc.hardware.storage,comp.arch.storage,alt.comp.hardware.pc-homebuilt,comp.os.linux.hardware
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Replies: 13
Views: 420
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Forum: Homebuilt PC's
January 3rd 07, 03:36 PM Posted to comp.sys.ibm.pc.hardware.storage,comp.arch.storage,alt.comp.hardware.pc-homebuilt,comp.os.linux.hardware
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Replies: 13
Views: 511
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Forum: Storage & Hardrives
January 3rd 07, 03:36 PM Posted to comp.sys.ibm.pc.hardware.storage,comp.arch.storage,alt.comp.hardware.pc-homebuilt,comp.os.linux.hardware
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Replies: 13
Views: 563
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Forum: Homebuilt PC's
December 22nd 06, 02:15 PM Posted to comp.sys.ibm.pc.hardware.storage,comp.arch.storage,alt.comp.hardware.pc-homebuilt,comp.os.linux.hardware
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Replies: 13
Views: 511
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Forum: Storage (alternative)
December 22nd 06, 02:15 PM Posted to comp.sys.ibm.pc.hardware.storage,comp.arch.storage,alt.comp.hardware.pc-homebuilt,comp.os.linux.hardware
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Replies: 13
Views: 420
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Forum: Storage & Hardrives
December 22nd 06, 02:15 PM Posted to comp.sys.ibm.pc.hardware.storage,comp.arch.storage,alt.comp.hardware.pc-homebuilt,comp.os.linux.hardware
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Replies: 13
Views: 563
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Forum: Storage & Hardrives
December 8th 06, 02:16 PM Posted to comp.arch.storage
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Replies: 2
Views: 394
HP EVA6000 vs DS4700
jls wrote:
I can't speak for the DS4700, but I do know a bit about the EVA.
The main benefit for EVA-series storage arrays is simplicity of
management.
Conversely, I can't speak for the EVAs...
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Forum: Storage & Hardrives
December 6th 06, 12:24 PM Posted to comp.arch.storage
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Replies: 6
Views: 562
Determining if there is an IO bottleneck
As per another poster, Navisphere Analyzer is worth looking into.
How do the RHEL devices sd? map onto the LUNs?
Looking at the %util iostat figures sdc, sdg and sdh are pretty busy
most of the...
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Forum: Storage & Hardrives
November 23rd 06, 11:43 AM Posted to comp.arch.storage
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Replies: 4
Views: 344
SAN MSA-1500 performance problems
Griff wrote:
Thanks for the replies to date.
The "application" symptoms are that SqlServer errors:
1 - Number = -2147467259, Description = [DBNETLIB][ConnectionWrite
(send()).]General...
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Forum: Storage & Hardrives
November 17th 06, 11:38 AM Posted to comp.arch.storage
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Replies: 4
Views: 344
SAN MSA-1500 performance problems
Griff wrote:
Hi
We have a MSA 1500 SAN that is showing performance problems, presumably
due to the queue length?
Firstly, I know little about MSA1500s but have tuned a few systems in
my...
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Forum: Storage & Hardrives
October 25th 06, 03:59 PM Posted to comp.arch.storage
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Replies: 3
Views: 163
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Forum: Storage & Hardrives
October 23rd 06, 01:30 PM Posted to comp.arch.storage
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Replies: 3
Views: 163
How long do you expect your SAN hardware to last?
We're looking to buy a SAN having previously used HP Proliant servers
with internal storage. We're doing this primarly for the higher levels
of resilience offered by SANs.
Our last two servers were...
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