Re: [OpenAFS] openafs OSD

2013-05-28 Thread Anders Magnusson
On 05/29/2013 08:34 AM, Staffan Hämälä wrote: On 2013-05-28 10:09, Harald Barth wrote: I would _not_ involve the HSM module of TSM, as I think it introduces an extra unnecesary level of complexity. It seems easier to use the TSM API and its archive function to get tape storage functionality (as

Re: [OpenAFS] openafs OSD

2013-05-28 Thread Staffan Hämälä
On 2013-05-28 10:09, Harald Barth wrote: I would _not_ involve the HSM module of TSM, as I think it introduces an extra unnecesary level of complexity. It seems easier to use the TSM API and its archive function to get tape storage functionality (as done in dcache). I'm quite sure the folks from

Re: [OpenAFS] tapeconfig settings for LTO-5 tape drive

2013-05-28 Thread chas williams - CONTRACTOR
On Tue, 28 May 2013 13:56:07 -0400 John Sopko wrote: > According to the docs and the output from butc the max tape size > in the /usr/afs/backup/tapeconfig file is 2TB. I set to 8TB and labeled > a tape and it appears to be limited to 2TB as shown below. There are a few afs_int32's hanging aroun

[OpenAFS] tapeconfig settings for LTO-5 tape drive

2013-05-28 Thread John Sopko
I am upgrading our tape drives from LTO-3 to LTO-5. The native uncompressed capacity of LTO-3 tape is 400GigaBytes. The native uncompressed capacity of LTO-5 tape is 1.5 TeraBytes. I have always used the compressed mode on the current LTO-3. And you can get 2 times or more compression. According

[OpenAFS] Re: ubik_cp success

2013-05-28 Thread Andrew Deason
On Fri, 24 May 2013 20:55:17 +0200 Gémes Géza wrote: > Thank you for the explanation. Should then the SYS1 files be almost 0 > byte in size (mine are 64 bytes each, on every pt+vlserver) Yes, almost all of the time they are 64 bytes. 64 bytes is effectively empty; that's just the size of the ubi

[OpenAFS] Re: openafs OSD

2013-05-28 Thread Andrew Deason
On Tue, 28 May 2013 10:48:37 -0400 Jeffrey Altman wrote: > is not intended to be incorporated into the OpenAFS repository. It is > a standalone service that can and should be developed independently of > OpenAFS. Yes yes, I mean the portions going into openafs. > There is some glue code that n

Re: [OpenAFS] Re: openafs OSD

2013-05-28 Thread Jeffrey Altman
On 5/28/2013 10:35 AM, Andrew Deason wrote: > On Mon, 27 May 2013 15:37:14 +0200 > Staffan Hämälä wrote: > >> What's the current status of AFS-OSD? I've found a few presentations >> from 2009 and 2010, but nothing more recent. > > There was one in 2012: >

[OpenAFS] Re: openafs OSD

2013-05-28 Thread Andrew Deason
On Mon, 27 May 2013 15:37:14 +0200 Staffan Hämälä wrote: > What's the current status of AFS-OSD? I've found a few presentations > from 2009 and 2010, but nothing more recent. There was one in 2012: I believe the current s

Re: [OpenAFS] openafs OSD

2013-05-28 Thread Achim Gsell
On May 27, 2013, at 3:37 PM, Staffan Hämälä wrote: > I haven't found anything about OSD and openafs 1.6. OpenAFS/OSD 1.6.2 is available at Github: https://github.com/hwr/openafs-osd We (Paul Scherrer Institut; Switzerland) run a mix of "normal" AFS and AFS-OSD server. New servers are setup

Re: [OpenAFS] openafs OSD

2013-05-28 Thread Harald Barth
> What's the current status of AFS-OSD? I've found a few presentations > from 2009 and 2010, but nothing more recent. I would be curious as well if someone uses it. We thought about it, but don't. As we kindof had to use dcache for the LHC stuff it was deemed to labour-extensive to support dcach