Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Skylar Thompson
On Wed, May 09, 2018 at 04:33:26PM -0400, valdis.kletni...@vt.edu wrote: > On Wed, 09 May 2018 15:01:55 -0400, "Marc A Kaplan" said: > > > I see there are also low-power / zero-power disk archive/arrays available. > > Any experience with those? > > The last time I looked at those (which was a fe

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread valdis . kletnieks
On Wed, 09 May 2018 15:01:55 -0400, "Marc A Kaplan" said: > I see there are also low-power / zero-power disk archive/arrays available. > Any experience with those? The last time I looked at those (which was a few years ago) they were competitive with tape for power consumption, but not on cost

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Marc A Kaplan
I see there are also low-power / zero-power disk archive/arrays available. Any experience with those? From: Kristy Kallback-Rose To: gpfsug main discussion list Date: 05/09/2018 12:20 PM Subject:Re: [gpfsug-discuss] Snapshots for backups Sent by:gpfsug-discuss-boun

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Kristy Kallback-Rose
+1 for benefits of tape and also power consumption/heat production (may help a case to management) is obviously better with things that don’t have to be spinning all the time. > > At scale tape is a lot cheaper than disk. Also sorry your data is going > to take a couple of weeks to recover goe

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Simon Thompson (IT Research Support)
jfosb...@mdanderson.org" Reply-To: "gpfsug-discuss@spectrumscale.org" Date: Wednesday, 9 May 2018 at 14:30 To: "gpfsug-discuss@spectrumscale.org" Subject: Re: [gpfsug-discuss] Snapshots for backups I agree with your points. The thought here, is that if we had a complete loss of the pr

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Keigo Matsubara
Not sure if the topic is appropriate, but I know an installation case which employs IBM Spectrum Scale's snapshot function along with IBM Spectrum Protect to save the backup date onto LTO7 tape media. Both software components running on Linux on Power (RHEL 7.3 BE) if that matters. Of course, s

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Fosburgh,Jonathan
That is the use case for snapshots, taken at the remote site. Recovery from accidental deletion. On 5/9/18, 8:13 AM, "gpfsug-discuss-boun...@spectrumscale.org on behalf of Jonathan Buzzard" wrote: The way I see it is that snapshots are not backup. They are handy for quick reco

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Fosburgh,Jonathan
Software Defined Storage - IT Specialist Phone: 614-2133-7927 E-mail: abeat...@au1.ibm.com<mailto:abeat...@au1.ibm.com> - Original message - From: "Fosburgh,Jonathan" Sent by: gpfsug-discuss-boun...@spectrumscale.org To: gpfsug main discussion list Cc: Subject: Re: [gpfsug-d

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Jonathan Buzzard
On Wed, 2018-05-09 at 12:50 +, Andrew Beattie wrote: >   > From my perspective the difference / benefits of using something like > Protect and using backup policies over snapshot policies - even if > its disk based rather than tape based,  is that with a backup you get > far better control over

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Andrew Beattie
trumscale.org" Subject: Re: [gpfsug-discuss] Snapshots for backups   Hi Jonathan,   First off a couple of questions:   1) your using Scale+Protect with Tape today? 2) your new filesystems will be within the same cluster ? 3) What capacity are the new filesystems   Based on the above then:   AFM-D

Re: [gpfsug-discuss] Snapshots for backups

2018-05-09 Thread Fosburgh,Jonathan
c: "gpfsug-discuss@spectrumscale.org" Subject: Re: [gpfsug-discuss] Snapshots for backups Hi Jonathan, First off a couple of questions: 1) your using Scale+Protect with Tape today? 2) your new filesystems will be within the same cluster ? 3) What capacity are the new filesystems Bas

Re: [gpfsug-discuss] Snapshots for backups

2018-05-08 Thread Andrew Beattie
Hi Jonathan,   First off a couple of questions:   1) your using Scale+Protect with Tape today? 2) your new filesystems will be within the same cluster ? 3) What capacity are the new filesystems   Based on the above then:   AFM-DR will give you the Replication that you are talking about -- please ta

Re: [gpfsug-discuss] Snapshots for backups

2018-05-08 Thread valdis . kletnieks
On Tue, 08 May 2018 14:59:37 -, "Lloyd Dean" said: > First it must be understood the snap is either at the filesystems or fileset, > and more importantly is not an application level backup. This is a huge > difference to say Protects many application integrations like exchange, > databases, etc

Re: [gpfsug-discuss] Snapshots for backups

2018-05-08 Thread Uwe Falke
st Date: 08/05/2018 15:44 Subject: [gpfsug-discuss] Snapshots for backups Sent by:gpfsug-discuss-boun...@spectrumscale.org We are looking at standing up some new filesystems and management would like us to investigate alternative options to Scale+Protect. In particular, they

Re: [gpfsug-discuss] Snapshots for backups

2018-05-08 Thread Lloyd Dean
Jonathan, First it must be understood the snap is either at the filesystems or fileset, and more importantly is not an application level backup. This is a huge difference to say Protects many application integrations like exchange, databases, etc. With that understood the approach is similar t

[gpfsug-discuss] Snapshots for backups

2018-05-08 Thread Fosburgh,Jonathan
We are looking at standing up some new filesystems and management would like us to investigate alternative options to Scale+Protect. In particular, they are interested in the following: Replicate to a remote filesystem (I assume this is best done via AFM). Take periodic (probably daily) snapsho