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performance degradation backing up small files by alan
Has anyone experienced performance degradation when backing up large volumes of files from a NAS array? I am researching complaints that backing up large volumes of small files (128k)results in a noticeable performance drop. One suggested solution was to segregate small files and back them up over...
April 27th 04 05:47 AM
by Al Dykes Go to last post
2 748
Software reads of a AAA-UDMA raid array by Nicolas M.
I have...had an Adaptec AAA-UDMA radi5 ide adaptor. I had HDx dying in the past, dying along with all data it contained... So, eventually I bought an affordable raid 5 card. I though I could put important data on a 3 20gig HD raid 5 array since any one drive could die It would still be possible to...
April 26th 04 11:04 PM
by Toshi1873 Go to last post
2 267
persistent binding by [email protected]
Hi, I am a sysadmin that is new to the area of storage and SAN. Can anyone direct me to a good article about persistent binding - what it is and how to do it? Mainly for solaris (jni/qlogic) but other OS's also. Also is persistent binding valid only for disks or can it be used for tape...
April 26th 04 10:41 PM
by [email protected] Go to last post
2 281
FREE sample of StorageNewsletter by Maleval
STORAGENEWSLETTER is a 17-year old monthly periodical in English entirely devoted to the worldwide hardware and software storage industry (magnetic and optical disk and tape, DAS, NAS, SAN, iSCSI, virtualization, storage management software, etc). FOR A FREE SAMPLE:...
April 26th 04 11:51 AM
by Maleval Go to last post
0 333
Networker + direct SAN backup by Abadonna
Hi all! This is my first post to that group, so I would like to say hallo to everybody. The situation is like this: There a EMC, Server (with Networker 7.1) and a PowerVault 132T. They are connected to Fibre Switch. Is it possible to create client wchich would provide direct backup EMC -...
April 26th 04 04:55 AM
by Lim Chee Hon Go to last post
3 155
san or ethernet? by Mike
One thing that has been recently realized is the backup is saturating the primary network (suprise!). I've been tasked with finding a solution. I've been researching lan-free and server-free backup solutions using a SAN. I realized today that even a SAN will eventuall have bandwidth problems and as...
April 26th 04 03:36 AM
by Thanatos Go to last post
4 162
Can I upgrade memory on an F720? by Thanatos
Hi Mark, In NetApp's early days they used to allow customers to upgrade RAM - in fact their SE's would sometimes recommend RAM or CPU upgrades on the early 486 based (pre Alpha and PIII) F2xx and F3xx series filers, based on workload and capacity considerations. From the F540 or F640 on (can't...
April 26th 04 01:39 AM
by Thanatos Go to last post
2 229
TSM storage used? by Mike
How can I query TSM to find how much storage is currently in use now (tape) for all the files (corporate-wide) that are backed up (under TSM's control)? I was just asked a question do we want to get rid of the tape robot and move to JBOD instead. Thoughts on doing that kind of move? Mike
April 24th 04 05:47 AM
by Rob Young Go to last post
8 735
Dell PV220S poor performance by Konik
I have PV-220S connected with Perc 3/DC to the PE 6450 server with 1GB RAM, 1xP3 700MHz CPU, running Win2k Adv. Server. PV is filled with 14 10krpm 73GB harddisks and on the backplane there are three 18GB hdds. On both channels there are RAID 5 logical disks. Performance of both logical disks are...
April 23rd 04 05:21 AM
by kalev- Go to last post
5 396
iSCSI application characteristics by Nishit S. Shah
Hello, I needed some help in finding out what are the some of the characteristics of storage protocols like iSCSI. Questions like: How many sessions are usually supported by an iSCSI initiator/target? How many connections per sessions are typically held? What is the state maintained per...
April 22nd 04 09:25 PM
by Nishit S. Shah Go to last post
0 293
PV 650F upgrade by Konik
I have PV 650F FC storage with 10x 18GB hdd. I set there RAID5, so there are about 120GB on it - this is not enough for our file server. Is a good idea to replace disks in this matrix with 73GB hdds (it's not connected to our production server) or better buy new HVD SCSI matrix with enough...
April 21st 04 08:31 PM
by Konik Go to last post
0 188
Bad sectors on new IDE drive by Andre Majorel
I have a brand new IDE drive (250GB Maxtor) that has a sector that consistently triggers a CRC error on read. I find this puzzling, as I thought IDE disks were supposed to automatically remap bad sectors. And always have in my past experience. However, this is not the first time that I come across...
April 21st 04 12:03 PM
by Bruce Allen Go to last post
6 282
Opinions on cheap FC RAID Heads by Jochen Kaiser
Dear all, I'm currently looking for a (cheap) alternative to replace our current SAN. During my search I've found multiple (mostly 1U) raid heads and would like to hear your opinion on those product, errr I mean solutions. I'm especially interested in the products from...
April 20th 04 07:42 PM
by Jochen Kaiser Go to last post
0 143
BENW v 9.0 problem by Tony Cummins
I'm running BENW v9.0 Build 4175 on Netware 5.1 SP 6. When browsing the Media from the Server Admin console and selecting Volume view, when I browse down the directory structure I come across the following message: "There are no selectable items at this level" This looks to me as if the...
April 20th 04 03:29 PM
by Tony Cummins Go to last post
0 115
EMC Automated Resource Manager by Arturo B Wniaubauer
Hello everyone, Has anyone had any luck finding an audit trail for the EMC Automated Resource Manager product? We'd like to see what the agents are doing, and go back to these audits when there are problems to see who should get fired :) Just a joke. We whip, we don't fire. :) Ideally it is a...
April 19th 04 10:50 PM
by Arturo B Wniaubauer Go to last post
0 116
Some general questions about backup systems, mainly speed of restore by Rob Nicholson
We have an LTO 100GB/200GB drive backing up a variety of data spread across ~5 servers. We also backup a few local directories on development PCs "just in case". We're currently running an ancient copy of ArcServeIT 6.61 on NT4 for which the support contract ran out ages ago :-) The ArcServe host...
April 19th 04 07:33 PM
by Peter da Silva Go to last post
6 982
The State of CAS by Bill Todd
"Malcolm Weir" wrote in message ... .... Symmetrix didn't, but Harmonix (EMC's successful AS/400 offering, perpetually overshadowed by Symm) did. My bad, then. I was involved with the early stages of the design of the precursor...
(Multi-page thread 1 2)
April 19th 04 06:34 PM
by Peter da Silva Go to last post
16 1,307
BrightStor ARCServe 9 Linux Agent by Greg Krzeszkowski
Hi, trying to get the arcserve 9 linux agent to correctly communicate with the Windows version of arcserve. Did the install as per instructions (untar, run ./install, uagent start), and then hopped onto the windows box that manages backups. I was able to do an auto discovery for "UNIX systems",...
April 19th 04 06:22 AM
by Greg Krzeszkowski Go to last post
0 183
Burning vs Drag & Drop by Karl Engel
Does burning data to DVD+RW make it any more robust than dragging it to a formatted DVD+RW disk? Is there any higher degree of error checking or general reliability? (I'm assuming there is from CD-RW experience) I'm using these disks as an interim bckup for some projects that are in a state of...
April 18th 04 03:40 PM
by Adrian 'Dagurashibanipal' von Bidder Go to last post
1 276
RAID 0+1 vs. RAID 1+0: explanations appreciated by Neil Zanella
Hello, I have consulted several sources but could not find an adequate explanation of how RAID 0+1 differs from RAID 1+0. Some sources even seem contradictory. Hence I have posted some diagrams which are for one-sided one-plattered one-cylinder disks. The diagram includes block and disk...
April 16th 04 07:21 PM
by jlsue Go to last post
5 512
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