Re: [ceph-users] Ceph and EnhanceIO cache

2015-06-26 Thread Nick Fisk
the caching, something like the hsgt SSD800 range would be ideal. From: Andrei Mikhailovsky [mailto:and...@arhont.com] Sent: 26 June 2015 12:35 To: Nick Fisk Cc: Dominik Zalewski; ceph-users@lists.ceph.com Subject: Re: [ceph-users] Ceph and EnhanceIO cache Hi Nick, I've played

Re: [ceph-users] Ceph and EnhanceIO cache

2015-06-26 Thread Andrei Mikhailovsky
essage - > From: "Nick Fisk" > To: "Dominik Zalewski" > Cc: ceph-users@lists.ceph.com > Sent: Friday, 26 June, 2015 11:12:25 AM > Subject: Re: [ceph-users] Ceph and EnhanceIO cache > I think flashcache bombs out, I must admit I have tested that yet, but as I

Re: [ceph-users] Ceph and EnhanceIO cache

2015-06-26 Thread Dominik Zalewski
ers@lists.ceph.com > *Subject:* Re: [ceph-users] Ceph and EnhanceIO cache > > > > Thanks for your reply. > > > > Do you know by any chance how flashcache handles SSD going offline? > > > > Here is an snip from enhanceio wiki page: > > > > Failure of a

Re: [ceph-users] Ceph and EnhanceIO cache

2015-06-26 Thread Nick Fisk
Sent: 26 June 2015 10:54 To: Nick Fisk Cc: ceph-users@lists.ceph.com Subject: Re: [ceph-users] Ceph and EnhanceIO cache Thanks for your reply. Do you know by any chance how flashcache handles SSD going offline? Here is an snip from enhanceio wiki page: Failure of an SSD device in read

Re: [ceph-users] Ceph and EnhanceIO cache

2015-06-26 Thread Dominik Zalewski
Thanks for your reply. Do you know by any chance how flashcache handles SSD going offline? Here is an snip from enhanceio wiki page: Failure of an SSD device in read-only and write-through modes is handled gracefully by allowing I/O to continue to/from the source volume. An app

Re: [ceph-users] Ceph and EnhanceIO cache

2015-06-26 Thread Nick Fisk
> -Original Message- > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of > Dominik Zalewski > Sent: 26 June 2015 09:59 > To: ceph-users@lists.ceph.com > Subject: [ceph-users] Ceph and EnhanceIO cache > > Hi, > > I came across this blog post mentioning using EnhanceI