2
votes
1answer
353 views

XFS disk becomes unavailable after a while

Ubuntu 12.04 (but the same was on 11.10 before upgrading) WD MyBook, 2TB, no RAID (or RAID0, not completely sure, anyway no mirroring, both 1TB disks are in use, mounted as a single device). ...
1
vote
2answers
2k views

Optimal way to format 20TB partition with XFS in linux? [closed]

I have a 20TB RAID5 array (LSI 9265-8i / 8 x 3TB 7200rpm drives) configured with a 1MB stripe size. What's the optimal way to partition, and format, this partition in Linux to maximize performance ...
1
vote
1answer
1k views

Converting Amazon EC2 ext4 EBS volume into XFS filesystem

I need to convert my Amazon EC2 ext4 filesystem into a XFS one so I could take consistent snapshots and send them to S3. I'm using custom small image of ubuntu server 10.10 with i686 architecture in ...
1
vote
2answers
721 views

Hardware RAID controller set to 256kB stripe size, but XFS to 4k block size

Is this configuration ok? I've read that the stripe size should match the block size. I am mostly storing 8-30GB single files that are read sequentially. What should I adjust, and how? Ubuntu ...
1
vote
3answers
1k views

Poor XFS performance — what's going on?

I recently formatted a 20TB array as XFS. For file transfers < 10G performance is fantastic. However once I exceed 10G disk I/O decays logarithmically. I have the journal on the same disk. When ...
4
votes
1answer
1k views

Mount XFS partition with < 4k block size

I have an XFS partition with a 64k blocksize. But I can only mount it in Ubuntu 10.10 when the blocksize is the default of 4k. How can I mount a partition with the larger blocksize? This works: ...
0
votes
1answer
507 views

How should I setup an Ubuntu server on EC2 (MySQL, code location, etc..)?

I've started to fiddle around EC2, and I can't seem to understand the "AWS way" of setting up a server. I'm using Ubuntu server 10.10 64 bit, from an official AMI by Canonical. There is an EBD drive ...
2
votes
1answer
2k views

Resize XFS Partition (Increase)

I'm new to xfs and was wondering how to increase the size of /var and /home, I'm guessing xfs does not simply increase in size as needed... Filesystem Type Size Used Avail Use% Mounted on ...
1
vote
1answer
3k views

Should use EXT4 or XFS to be able to 'sync'/backup to S3?

It's my first message here, so bear with me... (I have already checked quite a few of the "Related Questions" suggested by the editor) Here's the setup, a brand new dedicated server (8GB RAM, ...
2
votes
3answers
6k views

changing filesystem format from xfs to ext4 without losing data

I have a fresh Lucid Lynx (Ubuntu 10.04) running on a laptop. where I defined the filesystems as: mount point / on ext4 (46 Gb) mount point /home on jfs (63 GB) swap as 3 Gb I left the machine ...
0
votes
1answer
618 views

slow disk writes between host and guest

I've got a ubuntu (server kernel) on a amd x4, 4gb ram, 2x seagate sata 1 tb disks for testing virtual machines and the write performance is very slow. The two disks are in a software raid1 array, one ...