[mailto:ads...@vm.marist.edu] On Behalf Of
Christian Svensson
Sent: dinsdag 22 september 2009 14:46
To: ADSM-L@VM.MARIST.EDU
Subject: SV: the purpose of file device class
Hi Rick,
What do you wanna know about VTL?
If you looking at Quantum or EMC (Who is OEM parts of Quantum VTL and
FalconStor
On Wed, Sep 23, 2009 at 9:47 AM, Christian Svensson
christian.svens...@cristie.se wrote:
Hi Eric,
With Quantum DXi (VTL) can you do the same thing. The DXi has both a VTL part
and a NAS Disk part and both have De-Dup working.
The NAS part can you connect as local disk via iSCSI.
iSCSI is not
Michael Green
[mishagr...@gmail.com]
Skickat: den 23 september 2009 09:06
Till: ADSM-L@VM.MARIST.EDU
Ämne: Re: SV: the purpose of file device class
On Wed, Sep 23, 2009 at 9:47 AM, Christian Svensson
christian.svens...@cristie.se wrote:
Hi Eric,
With Quantum DXi (VTL) can you do the same thing
- Michael Green mishagr...@gmail.com wrote:
On Wed, Sep 23, 2009 at 9:47 AM, Christian Svensson
christian.svens...@cristie.se wrote:
Hi Eric,
With Quantum DXi (VTL) can you do the same thing. The DXi has both a
VTL part and a NAS Disk part and both have De-Dup working.
The NAS part
Hi,
DISK is much better for you because it will allocate all blocks at the same
time.
The only way to avoid the fragmentation with FILE is to pre-define all volumes.
Another thing I don't like with FILE is that you need to create more or same
number of volumes as clients and then set number of
Hi Eric,
If I where you should I start searching for much better Filesystem to run
FILECLASS on such EXT4, TUX or something similar.
And also split your FILECLASS to multiple LUNs. If a filesystem crash happened
you will get a minimal check disk time.
Best Regards
Christian Svensson
Cell:
Hi Rick,
What do you wanna know about VTL?
If you looking at Quantum or EMC (Who is OEM parts of Quantum VTL and
FalconStor) is basically a Linux OS and running Quantums own Filesystem called
NextFS or something like that, if I don't remember wrong.
NextFS is a great file system if you have
The only reason why I should sale a customer a VTL is if they wanna run a
LANFree backup to disk.
It seems that the value-add of a VTL over FILE devices on
plain DISK is Lanfree, compression and de-dup. Given the much greater
cost of a VTL over plain disk, we keep looking for how to achieve
Question: Does TSM support multi-reader function of FILE devices
with a VTL? In other words, can you get the same tape vol mounted
multiple times - ONCE for WRITING and multiple for READONLY? Or, just
multiple READONLY mounts? This would be great at our DR site for
DR restores.
No. A
