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Questions tagged [diskmanagement]

234 questions
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cassandra data migration from regular drive to SSD on production server

we want migrate our data from regular drives on production server to new SSD drives. how we can do that without taking down the node no longer than 4 hours(hinted hand-off is 4 hours) our data is in few hundreds of GigaBytes. what i was thinking is…
user6288321
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Why is Apache refusing to show new pages for one directory? This is as spooky as I've seen from Apache in a while

I tried to take a step back in https://serverfault.com/questions/763747/why-is-apache-not-showing-a-new-page , from an original question that was loosely as follows: A client has a website and makes periodic requests to add a page. The website isn't…
Christos Hayward
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One disk member of two Disk arrays

I will start with my question and then make a short example: Is it a good idea to split a disk into multiple partitions and create different disk Arrays (raid1/raid5) with those paritions? Are there any Problems/risks? And now the example: Say I…
Thomas Sparber
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VMWare ESXi and iSCSI via FreeNAS

I've recently been setting up a sandbox ESXi environment with a VM running FreeNAS providing a volume which is connected as a datastore on the host via iSCSI. I've created a VM on this datastore and the write performance is what I'd expect, around…
dunks
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Extending LVM Volume Groups with Physical Extents & pvresize

I have two somewhat related LVM questions regarding extending LVM managed volumes. Firstly, from (edit: old) documentation that I've read about LVM and the relationship between Volume Groups and Physical Extents, if you want to grow a VG to larger…
SeligkeitIstInGott
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Resize error : ext2fs_open2: Bad magic number in super-block

I have a server server1 running 8GB root partition I have taken the ami of this server1 and created anothe server2 but changed the root partition to 60GB 3.I wanted to extend the linux partition in the server2 and followed the below…
user173141
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Create Windows Recovery Image on Windows 8.1

I'm deploying some Lenovo ThinkPads for a small organisation. I want a simple recovery option if a user munges up their system. Luckily, they come preconfigured with the windows recovery partition which includes an option to restore from backup.…
ChrisJ
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Windows Server 2012 and recognizing RAIDed SSDs as an SSD

Problem: Because defragmenting is detrimental to SSDs and decreases their performance/lifespan, its important that modern OS's use TRIM instead of defragmentation. If an SSD is incorrectly recognized as an HDD in WS 2012, TRIM will not be used. …
chuk2bp
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Server 2008 R2 Disk Managment Shows D:\ as 2 separate partitions

Original config of Poweredge T110 was a 250GB SATA. This was 40GB C:\ and rest D:. It only has 9% free, so, I decided to just put a 2TB drive in, and make it D:\ instead. So I extended my drive yesterday by putting a 2TB drive in, copied the data to…
user3680970
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How to change / replace a failed "system" disk on EMC Clariion CX500?

On the first DAE, the first 5 disks are considered "special" because they host the OS of the storage array. One of those 5 disks is faulty : what is the procedure to change it? By the way, what kind of RAID configuration is set up on those?
Totor
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Muliplte logical drives on a single EVA

SQL Server best practice recommends separate drives for the the data and log files. Do you really get a speed increase if both logical drives are located on the same EVA?
Andy
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Rebalance pooled disks

Using mhddfs multiple drives were pooled to form a big virtual mountpoint. Now using the mlimit option unbalancing is prevented, but the drives are already in an unbalanced state. Is there a script or application to rebalance the disk usage? If not,…
Peter Meyer
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Figuring out what's filling up my hard disks

Possible Duplicate: What are good tools to show disk usage (for Windows)? In brief, I have a system with several hard disks, and although we install everything on the extra (internal) drives, the primary drive (the one with the OS on it) is…
stoicfury
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"Disk volume is write-protected" error when formatting

I have an Infortrend EonStor A16F-G2430 RAID-6 connected to Windows Server 2008 R2 x64 machine via Fiber Channel QLogic 2Gb PCI-X adapter. I am able to initialize the 8.5TB storage as GPT, and able to create a simple partition spanning the entire…
GregC
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RAID: Two key concepts if anyone could clear them up?

I had a quick question about RAID. I understand that RAID uses one or more parity disks to repair failed disks, but I was wondering what they mean by "declustering" the disks? And also, if someone could explain the concept of "scrubbing" when it…
Kaitlyn Mcmordie
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