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Exact checksums used for mirroring and RAID by
Nick Maclaren
We have had trouble with mirroring, which has the result that mirrors
got out of step. I want to write a checker that can be used on a
running system, and would like to know if there is enough commonality
in implementations to extend this to RAID (yes, I know that mirroring
is also called RAID-1,...
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0 |
280 |
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Async Test Cycles by
jOwLeY
All,
I am looking for a way to replicate i/o to a disk array that simulates a
current symmetrix dmx in our environment.
The aim of this is to enable me to take a look at the way that SRDF/A would
behave if I gave it a "real" workload, of differing i/o read and write sizes
(spread accross 2k, 4k,...
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3 |
472 |
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photo file storage ... by
Jerry C.
I'm not sure if this is the proper newsgroup, so correct me if I'm
wrong. I'm looking to get either a DVD recorder or external harddrive
to back up my 20-50 GB of photos and add to the backups frequently.
This device will be external and attached via USB2 to my notebook computer.
(A) What are...
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August 6th 04 03:02 AM
by Hecate
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1 |
315 |
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HP's Persist or RISS experience? by
Keith Michaels
Does anyone have any experience using HP's PERSIST product
for lifecycle management? Is it incorporated into RISS?
I would like to compare it to other ILM products like AvalonIDM, etc.
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1 |
454 |
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How to improve Escalade SATA RAID speed by
Bob Brokman
Hi,
I am comparing SATA single drive performance with the SATA RAID 5
and RAID 0 performance (the RAID is built of 4 drives) and getting
counter-intuitive results.
Initially, my test was to copy 100 files 12MB each in size under Redhat 9
linux. When I copied from the disk to /dev/null...
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2 |
633 |
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Maximum numbers of LUNs for a Linux box by
fx
Hello,
I've heard conflicting answers to this question and couldn't decide
where's the truth is, despites an extensive googling time.
What's the maximum number of supported/available LUNs on a Linux
box? Does this depends of the kernel version?
By "LUN" I mean LUN exported by some disk array...
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August 5th 04 03:21 PM
by fx
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0 |
349 |
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Some questions re. RAID problem by
ohaya
Hi,
We have a Dell 6650 server, running Win2K server, with 3 drives in it,
and they ran into problems with it today. We were able to get things
going again, but I'm trying to learn a bit more from the experience, as
I haven't had much practical experience with RAID configurations, so I
hope that...
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1 |
350 |
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August 4th 04 05:46 PM
by Nexus7
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214 |
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1,511 |
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Netvault 7.1 with Breece Hill 8-Pak AIT3 by
Sir Hailstone of Moronica
I started with a new company and I inheirited a backup system problem.
This has a NetVault 7.1 with patch E installed. A Breece Hill 8 pak
library, on a Windows 2000 server.
The 8-pak has the library set to SCSI 0 and the tape drive itself set to
SCSI 1.
The library has been replaced by Breece...
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0 |
236 |
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File weirdness, not the usual multisession problem AFAIK by
Karl Engel
Can anyone explain this? I've burnt some files in at least two
sessions on an Imation DVD-R disk. I know some drives won't show more
than the first session with certain media/hardware/software
combinations, but this is what threw me: Disc is in the drive in which
it was burnt; drive is connected to...
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0 |
438 |
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New Hard Drives FS by
PH
Two new factory sealed Maxtor DiamondMax Plus 8, hard drives. 40 GB, 7200
RPM, ATA 133. Date of manufacture May 12, 2004. $58.00 each, which
includes well padded, insured, priority shipping w/ delivery confirmation
(Who else will ship insured w/ confirmation?).
I accept payment by Postal Service...
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August 3rd 04 04:04 AM
by PH
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0 |
195 |
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Learning Brocade Fabric OS by
Colonel Panic
Hi, I have a Brocade 2050, and I need to learn how to use their Fabric OS.
But I cant find any good information. Does anyone know of a good book or
even some documentation pdfs on the subject which I could download? Thanx 1
million!
JG
( 1 2)
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10 |
388 |
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CD-ROM Jukebox Software by
Thomas Adler
Hi there!
Does anybody still run Microtest DiscView Pro (Netware) with a Pioneer
DRM-5004X C-Jukebox?
I'm running it with a NSM Mercury40 and now got a Pioneer and there is no
possibility to get the driver as Microtest stoped the development of the
software. As I got the DRM-5004X for only 200,-...
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2 |
315 |
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EMC Symm Enginuity 5670 code and device creation by
J
Has anyone had an issues while in the process of creating new devices
using the ECC software?
We got about 90% of the way through the wizard (Logical Device
Configuration) when the process failed during the commit phase.
Suffice it to say this is not a good thing! Issues started occurring,
and EMC...
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July 31st 04 06:06 AM
by J
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3 |
372 |
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* Wanted: Storage Professional Services Consultant * by
Josh Lopez
Immediate Opening – Storage Professional Services Consultant
Our client is a Fortune 10 company, and provides customers the ability
to out-task or completely out-source IT infrastructure programs and
projects. Sales and Service delivery capabilities in major North
American markets across the...
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0 |
1,151 |
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íostat with tapes and disks by
Rick Denoire
Hello
I am having a peculiar problem with my storage and am using iostat to
try identify the bottleneck. Situation: A Server E450 (4 CPUs, Solaris
7) is connectet to a tape library StorageTek L20 (with 2 LTO drives)
and to a disk storage Dell/EMC CX400 (10 HDs in Raid 5) via fibre
channel...
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0 |
1,154 |
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AIX (5.2) MPIO and EMC Software capabilities by
Bernard Dhooghe
EMC supports now IBM's (AIX) MPIO with usage of "defauly PCM for fibre
attached Symmetrix devices." "CLARiiON support is targeted in the near
future". (Readme on ODM entrys for AIX, EMC document).
Is Powerpath still needed when AIX MPIO is used on EMC stirage devices
(technical question, not a...
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July 29th 04 08:40 PM
by Frank
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1 |
253 |
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LTO2 IBM Ultrium tape drives performance by
ELD
Hi,
We've just upgraded from six HP LTO1 tape drives in Dell PowerVault
136T library to six IBM LTO2 drives. The library is directly (SCSI, 2
channels, 39160) attached to a backup server, running BackupExec 9.0,
W2K. The native/compressed rated speed for LTO1 is 15/30 MB/s, or
900/1800 MB/min. ...
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July 29th 04 11:02 AM
by Mark
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2 |
208 |
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Brocade Fabric OS question by
Colonel Panic
I need to learn Brocade's Fabric OS. Does anyone know of a good book or
even and PDFs that I could download to learn it? I cant seem to find
anything serious about Fabric OS.
Jonathan G.
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July 27th 04 05:58 PM
by Andy S
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4 |
284 |