Re: [CentOS] HSM

2017-01-11 Thread J Martin Rushton
Interesting - the ARC seems to do just that at first glance. I may have a look at it this evening. On 11/01/17 11:05, Andrew Holway wrote: > ZFS also does some fun things here if you want to build an SSD & spinning > disk array - http://zfsonlinux.org/ > > > On 11 January 2017 at 11:56, J Marti

Re: [CentOS] HSM

2017-01-11 Thread Andrew Holway
ZFS also does some fun things here if you want to build an SSD & spinning disk array - http://zfsonlinux.org/ On 11 January 2017 at 11:56, J Martin Rushton < martinrushto...@btinternet.com> wrote: > Hmm, don't you just love changing terminology! I've been using HSM > systems at work since '99.

Re: [CentOS] HSM

2017-01-11 Thread J Martin Rushton
Hmm, don't you just love changing terminology! I've been using HSM systems at work since '99. BTW, DMAPI is the Data Management API which was a common(ish) extension used by amongst others SGI and IBM. Back to lvmcache. It looks interesting. I'd earlier dismissed LVM since it is block orientat

Re: [CentOS] HSM

2017-01-11 Thread Andrew Holway
HSM also stands for "Hardware security module" Maybe lvmcache would be interesting for you? HSM is more popularly known as "tiering". Cheers, Andrew On 11 January 2017 at 11:15, J Martin Rushton < martinrushto...@btinternet.com> wrote: > I think there may be some confusion here. By HSM I was

Re: [CentOS] HSM

2017-01-11 Thread J Martin Rushton
I think there may be some confusion here. By HSM I was referring to Hierarchical Storage Management, whereby there are multiple levels of storage (fast+expensive <-> slow+cheap) and files migrate up or down. Originally it was used to keep data on tape with the metadata residing on disk though it h

Re: [CentOS] HSM

2017-01-11 Thread Andrew Holway
Dogtag? http://pki.fedoraproject.org/wiki/PKI_Main_Page On 11 January 2017 at 10:30, J Martin Rushton < martinrushto...@btinternet.com> wrote: > Purely from interest, is there any current FOSS implementation of HSM? > I note that XFS has dropped support for DMAPI, have other filesystems? > > Rega

Re: [CentOS] HSM

2017-01-11 Thread John R Pierce
On 1/11/2017 1:30 AM, J Martin Rushton wrote: Purely from interest, is there any current FOSS implementation of HSM? I note that XFS has dropped support for DMAPI, have other filesystems? having dealt with various HSM implementations at a API level, where we were using them to secure our own p

[CentOS] HSM

2017-01-11 Thread J Martin Rushton
Purely from interest, is there any current FOSS implementation of HSM? I note that XFS has dropped support for DMAPI, have other filesystems? Regards, Martin signature.asc Description: OpenPGP digital signature ___ CentOS mailing list CentOS@centos.or