Anonymous_User Absent Member.
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Expanding Storage


Hi,

I have a 2TB partition and want to add another one so that Sentinel can
effectively have 4TB of disk space to use for data storage.

Filesystem Size Used Avail Use% Mounted on
/dev/sda3 20G 3.7G 16G 20% /
udev 16G 100K 16G 1% /dev
tmpfs 16G 0 16G 0% /dev/shm
/dev/sda1 152M 22M 122M 15% /boot
/dev/sda2 2.0T 529G 1.5T 27% /var
/dev/sdb1 2.0T 199M 1.9T 1% /data


/dev/sdb1 is the new partition I want Sentinel to be able to make use
of. I know I can't force Sentinel to use this without using a mount bind
or other but is it possible to reinstall Sentinel and tell it to use
/dev/sda2 and /dev/sdb1 as it's data storage or is this a waste of
time?

Regards,

Paul


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7 Replies
Anonymous_User Absent Member.
Absent Member.

Re: Expanding Storage

Sentinel basically stores the bulk of its data wherever
/var/opt/novell/sentinel/ is, and then has the option to do network
storage wherever you want, either to a directory (that may be a mountpoint
for a SAN), or to a SMB or NFS share. Currently there is no way to have
it use two different directories (therefore mountpoints either) for the
local or remote data.

Your best bet when building a new system is to use LVM for big volumes,
since then you can grow things on the fly with new storage from new disks,
expanded SAN LUNs, or whatever. In your case, if these are both real
disks and partitions (vs. SAN-based storage that you can grow) I would
probably create the new partition (/dev/sdb1 I presume) as a LVM
partition, add it to a new volume group, create a new volume from it, copy
over all /var data (while Sentinel is stopped temporarily) using 'cp -a',
and then mount that new volume as /var so that you can then, when ready
and confident in the new volume working, join /dev/sda2 into the volume
group and get to use both disks for one big block of storage. Note, this
is not RAID, so a single problem with either partition/disk could lose all
of the data, but I'm guessing you knew that.

The process above sounds a little complex, but it isn't bad really,
especially since Yast will let you do most of it with a nice GUI.

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Anonymous_User Absent Member.
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Re: Expanding Storage


Hi Paul,

If you don't use the network storage yet and the mount configuration
suggest you don't, I would recommend using the second disk as network
storage.
The data on the network storage is compressed much more then on the
local storage.
You can still search the data although it is more slow but you use your
disk space much more efficient.

Of course if you just want 1 big disk the above procedure is fine.

Good luck,
Anco


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Anonymous_User Absent Member.
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Re: Expanding Storage


Yes this would be perfect but I wasn't sure if it was possible. How do I
go about this?

jcvader1;241892 Wrote:
> Hi Paul,
>
> If you don't use the network storage yet and the mount configuration
> suggest you don't, I would recommend using the second disk as network
> storage.
> The data on the network storage is compressed much more then on the
> local storage.
> You can still search the data although it is more slow but you use your
> disk space much more efficient.
>
> Of course if you just want 1 big disk the above procedure is fine.
>
> Good luck,
> Anco



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Anonymous_User Absent Member.
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Re: Expanding Storage

Sentinel docs (admin guide): Configuring Data Storage: Configured Network
Storage Locations

https://www.netiq.com/documentation/sentinel71/s71_admin/data/bgvhm10.html

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Anonymous_User Absent Member.
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Re: Expanding Storage


Ok thats working now, for some reason I had issues adding a local
partition as networked storage before, no idea why.

ab;242113 Wrote:
> Sentinel docs (admin guide): Configuring Data Storage: Configured
> Network
> Storage Locations
>
> http://tinyurl.com/m422r4v
>
> --
> Good luck.
>
> If you find this post helpful and are logged into the web interface,
> show your appreciation and click on the star below...



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Anonymous_User Absent Member.
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Re: Expanding Storage


Just for your information, couple weeks ago I enlarge partition size
using linux tool like resize2fs - and I made it with success 🙂 Please
remember it's only possible when you have free place "after" partition
on disk.

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Arek.


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Anonymous_User Absent Member.
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Re: Expanding Storage


I have symlinked storage to another partition with no issues.


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