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Has anyone used Clariion LUN Migrate function on-line? by Doug Freyburger
Folks, I need to build a 400 GB LUN for a snap clone BCV cycle. My Clariion is nearly full so I did some space reclamation and now I have 300 GB, 200 GB and 185 GB free in 3 separate RAID Groups. Happy Murphy's Law that none of the freed LUNs were in the same RAID Group. I know how to...
June 13th 07 02:05 AM
by Anthony L Go to last post
5 256
comparison between NetApp Filer and EMC Celerra by Rob Turk
"Jack Stewart" wrote in message ... Does anyone have (relatively recent) experience with both a NetApp NAS & EMC Celerra? If so, I'ld appreciate any comments that you might have. Our management is looking into...
June 13th 07 01:53 AM
by Anthony L Go to last post
8 429
Sharing SAN Partition with multiple Linux Clients by Alan Miller
Hi, We have an IBM DS4000 SAN array. We want to have two linux servers attach to one partition and both be able to read/write to the disk at the same time. We created a host group and put both hosts into the same group and gave that group a mapping to the logical drive we want them to share. They...
June 12th 07 12:22 AM
by Faeandar Go to last post
7 326
QLogic QLA2312F Card by Will
Does anyone know what the QLogic QLA2312F card is? QLogic says it is OEM for HP. HP says it isn't their card at all. On insertion to any Wintel PCI system, the entire system freezes and refuses to even start up the BIOS. -- Will
June 9th 07 07:58 AM
by Dirk Munk Go to last post
1 307
Cabinet to store LTO tapes by Curtis Preston
Steelcase Wrightline (from memory. I'm on a plane typing offline right now.) --- W. Curtis Preston Author of O'Reilly's Backup & Recovery and Using SANs and NAS VP Data Protection GlassHouse Technologies
June 8th 07 07:32 AM
by Curtis Preston Go to last post
0 280
time to read meta data on 300TB by [email protected]
Hi, How long would it take (on a decent NAS filer) to read the meta data for 300TB of data via NFS? I know the answer varys for different vendors, but im just looking for a ballpark... Assuming average file size of 1MB, which is the case in my environment, I estimate I have about 300 million...
June 8th 07 02:32 AM
by Faeandar Go to last post
1 152
Cabinet to store LTO tapes by Rob Nicholson
I have the "honour" of keeping our off-site tape backups but I need the drawer space back :-) Anyone know of a company who sell tape cabinets with drawers that I can screw to the wall? Thanks, Rob. PS. We're UK based.
June 7th 07 10:10 AM
by Rob Nicholson Go to last post
0 283
MAID systems by Curtis Preston
You power down/up your laptop (and maybe PC) all the time. What's so hard to believe? Each drive has specs for how many times it can be powered on/off in a lifetime, and they keep track of that and don't exceed it. They also keep track of how long it's powered off, and power it on after...
June 6th 07 11:26 PM
by Curtis Preston Go to last post
0 338
Reading disk temperature from SMART info by [email protected]
I recently bought an external WD MyBook 500 GB drive. The enclosed software (WD diagnostics) enables me to read drive's SMART parameters (I thought this would only be possible with internal drives) which is good. However, I'd like to know how to translate its "Temperature" parameter into something...
June 6th 07 10:47 PM
by Folkert Rienstra Go to last post
6 411
Sony AIT-1 IDE tape drive performance by [email protected]
I'm trying to find some performance references for my Sony tape drive. My backups are taking 12+ hours and only getting 80Mb/minute throughput. Is this typical for IDE tape drives? I've explored the usual...updated IDE drivers, updated Sony firmware, updated Sony tape drive driver. Same...
June 6th 07 12:29 AM
by [email protected] Go to last post
0 365
there has to be a better way, or we are stuffed! by [email protected]
Company I work for has a SAN of about 50 TB. It is configured as 4 logical disks. So when there is a failure, that logical disk is out of action while the RAID rebuilds itself. "Hot swapping" doesn't help much when 1/4 of the system is paralysed for hours afterwards. It seems about once a month...
June 5th 07 03:22 AM
by Lon Go to last post
6 292
MAID systems by Faeandar
Is anyone here running a MAID system? Copan is the first one that comes to mind. I'm interested in experience with a dense HDD system that powers off and powers on the drives for use and occasional checking. In theory and concept this is a good thing, particularly with archive or even daily...
June 5th 07 03:20 AM
by Lon Go to last post
8 437
IBM Ultrium 1 (LTO) in Linux/i386 by Madcap
I've got my eye on the following eBay item: Item number: 270124854394 LTO 1 ULTRIUM, IBM P/N: 39M5665, MODEL: PD035-10401 TAPE DRIVE, 5 1/4, HHT, SCSI LVD, 100/200GB, 39M5635 I'm hoping to use it in Linux (i386) as a backup solution for a 4-port 3ware controller (configured for RAID5). This is...
June 1st 07 06:49 PM
by Jan-Frode Myklebust[_2_] Go to last post
1 199
Logical Drive Type by Viper
Using IBM Storage Manager and viewing our defined mappings i see almost all of the logical drives are of the type standard. One of them is called "Access" and has a type of Access. This was a mapping that was setup previous to my involvment with this system. It is currently mapped and seemingly...
May 31st 07 11:46 PM
by Jono968 Go to last post
4 295
space consumed by raid6 by [email protected]
How much overhead does raid6 add? If I had 300GB of data, how much overhead would be added by the raid6 implementation? Does this also depend on how much data I have? Will the overhead change if I had more than 300GB, say 600GB? B
May 30th 07 07:32 PM
by Pete Go to last post
4 343
tape library partitioning by penta
Hi All, Supposing i partition a tape library into two logical libraries, can i assign both the logical libraries to the same server? If its possible, how does an application differentiate between the two logical library instances. i.e Would the device identification or serial number sent for a...
May 26th 07 08:11 PM
by penta Go to last post
1 129
Very fast file system access by Faeandar
I'm looking for information on fast file system access and how to approach it and achieve it. Many super computer centers use GPFS as do some commercial, though you hear of it mostly in the edu space. Then you have the standard players: QFS, CXFS, Polyserve, Ibrix, GPFS, GFS, SANFs, etc... My...
May 26th 07 02:30 AM
by Faeandar Go to last post
8 481
Taking pressure off your mail enviroment and adding value to email by [email protected]
There is email archiving and email archiving. Naxian Message Tracker is more than email archiving and simply adds power to your mail and data and allows your business to take pressure of your mail environment like never before. Competing head on with the EMC's, Zantaz's and KVS's of this world...
May 23rd 07 12:40 PM
by [email protected] Go to last post
0 272
EMC PowerPath licensing. by DKVIKING007
Hello. I have spend some time on the phone with EMC this morning without really getting anywhere with my question. I am costumer to a facilitation service where a facilitation provider looks after a lot of my servers. the servers are all connected to a EMC SAN owned by the supplier. Due to the...
May 23rd 07 03:14 AM
by Sivakanth Mundru Go to last post
1 227
Addison Wesley/O_Reilly Collectionof ebooks by Neon
Hi Guys, I found the links for the books on one of the forum, and found it worth to be...
May 22nd 07 11:09 PM
by Neon Go to last post
0 194
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