Questions tagged [expansion]
32 questions
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Can SAS expanders from the same HBA/RAID card be cross-linked?
I am building a 24-drive storage server using an existing 8-port SAS RAID controller and a chassis with passive backplanes, which means I need expanders. Currently I am using the HP 36-port expander but there is a compatibility problem, so I have to…
Maxthon Chan
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1 answer
I cannot expand RAID 5 capacity on an Adaptec RAID 71605
I have a Supermicro CSE-815 X8DTU-F server.
In it I have installed an Adaptec RAID 71605 controller with 4 SAS HDDs.
With them I set up a RAID 5 with 3 discs only. Now I have connected the disk that was catching and I want to expand it to a RAID5…
Jan
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1
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1 answer
Is the limitation of SATA attached drives on an LSI based SAS expander an ongoing issue?
In my research on developing a low-cost external drive bay for my server, I was presented with a critical issue in attaching commodity SATA drives through any SAS expander based on the LSI controller chip. Is anyone else aware of this issue?
Is…
J Collins
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parted and fdisk not showing new size after expanding a RAID 1 volume (Proxmox/Debian)
Background:
I need to extend a RAID 1 volume from a live Proxmox/Debian server that has a LSI SAS 2108 MegaRAID card, from 1TB to 2TB, I did this on a test environment albeit it was with a different Raid card, and my procedure was replacing each…
ItsJustMe
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1 answer
Expanding Logical Disk on Fujitsu Primergy T150 S7 running Serverview
We have a Fujitsu Primergy T150 S7 with an LSI based D2616 RAID controller with a logical drive running on two 146GB SAS drives and RAID 1. We need to expand the logical drive, so we bought two new 600GB drives. We're having some problems with the…
Chrizmo
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Nginx - expand variables within variable(string)
Bit of a 'fun' problem rather than something that's insurmountable in production, however I've been trying to find a way to expand variables inside other variables.
For Example: In the following code block i'm setting an upstream variable on the…
TechnicalChaos
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Duplicity: No Shell Expansion with Globbing Filelist?
I am running a Samba PDC with both home directories and Win7 (roaming) profiles under '/home', i.e.:
/home/[user name]
/home/samba/profiles/[user name]/win.V2
For backup purposes (duplicity 0.6.18 on Debian 7.6), I am only interested in a user's…
canut
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1 answer
How do I expand a VMware Thick Provisioned Eager Zeroed drive?
I have a drive that is VMWare Thick Provisioned with a format of Thick Provisioned Eager Zero.
I need to expand this drive by 10Gb, but unlike Thick Provisioned Lazy zero, I can't expand that drive while the machine is on, and unsure of what needs…
makerofthings7
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Expanding RAID 1 array size (Adaptec 1420SA controller)
I have an Adaptec 1420SA controller in server and RAID 1 array created. The old disks slowly started to report S.M.A.R.T errors so I replaced first one, rebuild array and then other one and rebuild the array again. But the new drives are bigger, so…
cincura.net
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Extending local Storage Repository in XenServer 6.0
My server has 2x 3-disk RAID 5 arrays. This weekend I plan on deleting the second array and adding the HDDs to the first array.
However how would I go about extending the partition in XenServer 6.0 so that the entire array is in use, without losing…
Reado
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2 answers
How much bandwidth to allow per user
Our company is growing, and growing fast. And everything we do is online -- e.g. our internal business applications are web-apps, hosted in a datacentre (we have multiple office locations), and we scan all our mail into a DMS hosted in the same…
James Green
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4 answers
Change order of expansions(bash)
I need parameter expansion after command substitution.
GNU bash, version 4.1.5(1)
$ foo() { echo \$a; }
$ a=5
$ echo $(foo)
$a
Is it possible?
test:
#!/bin/bash
echo $a
run:
a=5
echo $(./test)
if test:
#!/bin/bash
echo \$a
run:
echo…
osdyng
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How to identify RAID (5 or 6) controllers that allow dynamic resize of the array
I'm building a server with a RAID5 array, based on a hardware controller. I want to be able to later add additional disks and have the array rebalance across all of the disks, enlarging the usable size. I also want to be able to later upgrade to…
David Pfeffer
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2 answers
RAID0 on 16 8TB HDD's writes at speed 3-4 MB/s only
I have a pretty modern RAID hardware for this:
Controller: Intel RS3SC008
SAS Expander: Intel RES3FV288
HDDs: Seagate ST8000AS0002-1NA17Z
For the moment, I don't have BBU, which should be Intel AXXRMFBU4.
SAS expander is properly connected with…
Bart
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0
votes
1 answer
How can I extend lvm on centos with default partitioning?
I have a centos 7 OS on VM with default partitioning like this:
enter image description here
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 1T 0 disk
sda1 8:1 0 200M 0 part /boot/efi
sda2 …
Alireza Ghp
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