8 More Discussions You Might Find Interesting
1. Linux
I'm running glusterfs on CentOS 6.6 two nodes, (the SSD (samsung 840 1TB x2) is RAID 0 on the HP DL380 G6) x2, and trimming is not enable on it by checking /dev/sdb1/xxxxx/discard_max_bytes=0. Do I still need trimming? Somehow my filesystem is fine with 35-30% free space and running very fast.
... (1 Reply)
Discussion started by: itik
1 Replies
2. Red Hat
Hello,
I want to delete a RAID configuration an old server has.
Since i haven't the chance to work with the specific raid controller in the past can you please help me how to perform the configuraiton?
I downloaded IBM ServeRAID Support CD but i wasn't able to configure the video card so i... (0 Replies)
Discussion started by: @dagio
0 Replies
3. Filesystems, Disks and Memory
Nowadays the fastest SSDs achieve read-speeds of between 1500 MB/s to 1900 MB/s. Let's say that two such SSDs in RAID 0 achieve roughly double the throughput, ie 3000 MB/s. That is only half an order of magnitude removed from RAM ((10)^(1/2) * 3000 = 10.000), very broadly speaking.
So for the... (6 Replies)
Discussion started by: figaro
6 Replies
4. Hardware
I have an upgrade path in mind for a new computer that will be stocked with a 2TB SATA 300 hard disk. This is a choice based on information that SATA 300 is not necessarily faster than SATA 600. The upgrade path in a year time or so would then involve the purchase of an SSD that would contain the... (4 Replies)
Discussion started by: figaro
4 Replies
5. AIX
Hello,
I have a scsi pci x raid controller card on which I had created a disk array of 3 disks
when I type lspv ; I used to see 3 physical disks ( two local disks and one raid 5 disk )
suddenly the raid 5 disk array disappeared ; so the hardware engineer thought the problem was with SCSI... (0 Replies)
Discussion started by: filosophizer
0 Replies
6. Hardware
Hello everybody,
I need to connect a laptop 2.5 SATA hard drive to a Desktop board (which uses 3.5' SATA hard drives). I've tried the connectors and they fit excellent in the 2.5 SATA connectors.
The problem is that the laptop hard drive uses 5v and the PC's power source sends 12v. So, my... (4 Replies)
Discussion started by: Zykl0n-B
4 Replies
7. UNIX for Advanced & Expert Users
Hello all
We just built a storage cluster for our new xenserver farm. Using 3ware 9650SE raid controllers with 8 x 1TB WD sata disks in a raid 5, 256KB stripe size.
While making first performance test on the local storage server using dd (which simulates the read/write access to the disk... (1 Reply)
Discussion started by: roli8200
1 Replies
8. UNIX for Advanced & Expert Users
trying to setup a sata drive using a sata to scsi adaptor
I have a sata 1TB Deskstar that I had setup before and during shipment from a facilty to another, the disk failed. The handling was not great, lots of throwing boxes, etc. I have a new disk from Hitachi (thankyou Hitachi) anyway, I don't... (1 Reply)
Discussion started by: mndavies
1 Replies
MOUNT_CHFS(8) BSD System Manager's Manual MOUNT_CHFS(8)
NAME
mount_chfs -- mount a CHFS flash file system
SYNOPSIS
mount_chfs
DESCRIPTION
Mounts a flash file system from a flash(4) device. CHFS file systems can be only mounted from flash devices. For regular block devices like
SSD drives or USB drives, please use a regular file system. The file system will be created during the first mount. CHFS stands for Chip
File System.
EXAMPLES
mount_chfs /dev/flash0 /mnt
SEE ALSO
flash(4), fstab(5), mount(8), flash(9)
HISTORY
CHFS was originally called ChewieFS during development. The name was changed to avoid legal issues and to have a more neutral name.
AUTHORS
CHFS was developed at the Department of Software Engineering, University of Szeged, Hungary.
BUGS
CHFS has a few known bugs as of 2011. Writing the FS full can cause problems. Truncating a file and growing it again can cause the new
bytes not having all zeroes, but filled with the old content instead.
BSD
November 29, 2011 BSD
