very slow amcheck

2009-09-23 Thread stan
We are in the process of making a number of significant changes to our internal network. At the moment, an amcheck on 52 machines, which ultimately reports no problems, is taking over 6 minutes. Historically, when no machines were down etc, this took less than 1 minute. How can I troubleshoot

Allocation issues

2009-09-23 Thread Charles Curley
I am running amanda-server-1:2.5.2p1-1--i386 on Ubuntu 8.04, Hardy Heron, and backing up to vtapes. For about a week, I have gotten the following error messages in my reports: dzur.localdomain /home lev 0 FAILED [dump to tape failed] taper: FATAL tape...@616: memory allocation failed

tar dump of zfs file system

2009-09-23 Thread Brian Cuttler
I have a very old version of amanda 2.4.4, backing up a new version, 2.6.1 across Solaris client and Solaris server. The client has ZFS partitions, /export /export/home which are actually ZFS mount points. Since the server is old I doubt I can use zfs-snapshots (I didn't gets updating the

Awful dump performance in recent Linux distributions

2009-09-23 Thread Roger Williams
Having just added lots of disk space to a network of Linux workstations and servers, I decided to take the plunge and check out Amanda as a replacement for a set of home-grown dump scripts that I have been using for years. I am moving from SuperDLT and backing up 10s of GB to LTO4 and wanting

Re: Awful dump performance in recent Linux distributions

2009-09-23 Thread Chris Hoogendyk
Roger Williams wrote: Having just added lots of disk space to a network of Linux workstations and servers, I decided to take the plunge and check out Amanda as a replacement for a set of home-grown dump scripts that I have been using for years. I am moving from SuperDLT and backing up 10s

[Amanda-users] Using amanda with Superloader 3 changer (SAS/LTO4)

2009-09-23 Thread Matt Webster
It appears the problem is the Superloader/SCSI interface is sending a SG_ERR_CAT_RESET. I have just put a work around into mtx scsi command to wait for 5 mins if receives this status, and then ignore it. But this doesn't explain why it is happening or really fix anything. If anyone can shed

Re: Awful dump performance in recent Linux distributions

2009-09-23 Thread Jason L Tibbitts III
RW == Roger Williams r.willi...@gns.cri.nz writes: RW I have been very disappointed to discover that the performance of RW Linux dump seems to be completely awful in recent RedHat Enterprise RW and CentOS releases. RW Have other Amanda admins seen this? Yes, I've seen the same. I've no idea