RE: Accessing scsi based external storage

I've created JFS filesystem on this drive, although XFS would have been better for my situation. After creating JFS filesystem, df -h shows only 932GB. I was wondering how to get that almost 70GB back. I know that in ext2/ext3 filesystem there is a parameter (Reserved for super user) that can be tuned. Is there any similar parameter in JFS that can be scaled down. 70GB is way too much to loose. Y is 70GB unaccounted for in JFS??



-----Original Message-----
From: plug-discuss-admin@lists.plug.phoenix.az.us on behalf of Sanjay Darisi
Sent: Tue 10/5/2004 4:09 PM
To: plug-discuss@lists.plug.phoenix.az.us
Subject: RE: Accessing scsi based external storage


I have created RAID 5 and the total capacity is 1000GB. I have to create only one partition on this device. Which filesystem do you suggest for such a big partition? Or the type of the filesystem matters only in the case of individual file sizes and block sizes and not the partition size??

Which filesystem??



-----Original Message-----
From: plug-discuss-admin@lists.plug.phoenix.az.us on behalf of Sanjay Darisi
Sent: Tue 10/5/2004 9:52 AM
To: plug-discuss@lists.plug.phoenix.az.us
Subject: RE: Accessing scsi based external storage


I did RAID 0 just to test the storage box and to find out about the 1TB limit, it's good that you let me know about the limit Austin. That wasn't a needless worry, you made me a little more cautious. I've planned for RAID 5. Oops... did I say it doesn't do RAID 5?? It does...

From the configuration webpage, I've realized it can do all kinds of RAID levels - Raid 0, Raid 0+1 through Raid 6. And what is this JBOD anyway??

Just launch minicom and am I good to go??


-----Original Message-----
From: plug-discuss-admin@lists.plug.phoenix.az.us on behalf of Austin Godber
Sent: Mon 10/4/2004 7:40 PM
To: plug-discuss@lists.plug.phoenix.az.us
Subject: Re: Accessing scsi based external storage

>
> I have a question, there is a serial cable that comes with that device. I have connected it to the host computer and I donno how to read from that. Is there any hyper terminal program that I have to use??

Maybe the serial cable allows you serial console on the RAID device so
that you can do configuration and stuff. THe program you should look to
use in linux is called "minicom".

Rob makes an excellent point about RAID 5 ... I know you said it couldnt
do it ... but RAID 0 is gonna hurt ... if a single disk dies you loose
the whole thing right?

This means backups (not to implie that RAID 5 doesn't mean backups)...
where are you going to backup 1.25TB?

I am glad you didn't have the 1TB limit sorry to worry you needlessly.


Austin
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