Question about HP StorageWorks MSA20 (0808736947138) Hard Drive Array

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Adding additional drives to an MSA20 unit,

I want to add a couple of additional 250GB sata drives to my MSA20. What steps do I take to insure it will recognize them and allow me to begin using them? Will I need to reboot the Server that is using this StorageWorks device?

Thank you.

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1- Turn Off MSA and server
2- Insert new disks
3- Turn On MSA first then server
4- Access ACU and new HDD will be listed

Posted on Aug 15, 2010

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Says 4gb not 250gb.


It sounds like your OS (windows XP+, I presume, as it's NTFS) is reading the wrong partition information from the hard disk.

Use this (free) partition software to delete all partitions on the external drive (and make VERY sure that it's pointing at the external, and not your main hard disk!).
http://www.partition-tool.com/personal.htm
...so delete all partitions; make a new one and see if that is 250 GB.
If yes, format.  Sorted.
If no, you could try editing the partition table directly with this:
ftp://ftp.symantec.com/public/english_us_canada/tools/pq/utilities/PTEDIT32.zip
...you'll again have to be careful you're working on the right hard disk.  To use this, you'll need to know the number of heads, cylinders etc.  This data might be on a label on the disk (inside the external drive case), or you might be able to get it from the disk's manufacturer; either on their website or by emailing their tech support.

If editing the partition table doesn't work, or if the numbers keep reverting/changing, then it's highly likely that the hard disk is stuffed.  Only thing to do then is replace the hard disk in the external case (make sure you swap for the same type: IDE for IDE and SATA for SATA); or explore your warranty options.

Hope that helped.  Good luck!

Mar 03, 2010 | Freecom (24358) 160 GB Network Hard Drive

1 Answer

FAILED, REPLACE BATTERY 1


Yes, this problem relates to the i/o MSA module battery, needs to be replace

Oct 06, 2009 | HP Storageworks Msa20 (366172-b21) 250 GB...

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Nas SCM400 not working


The reason that it goes into recovery mode is because RAID5 is not striping so it has to rebuild the drives to be compatible with RAID5. I used 1TB drives and the 'recovery' took about 16 hours. It would be faster on smaller drives.

This is not a fault in the design, it is how RAID5 works.

Aug 23, 2008 | VisionMan VisionVault 4TB Smart NAS...

1 Answer

Different RAID configuration?


Hi,

The first point to note is that this unit does not support more than 1.6TB total disk. (4 x 400GB drives) This is stated in the manual which is on the CD that came with the unit. You cannot configure a mix of RAID1 and Linear (JBOD) drives, so you plan will not work.

Jun 18, 2008 | Network Storage Systems

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