Questions tagged [hard-drive]

Questions about hard disks' performance, issues, tips, and software.

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4
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1answer
713 views

'Foreign' state for brand new disk in Dell R730

Trying to install additional drives into my R730 Dell Poweredge (none have failed, just need more space) Inserted the disks and they all show as status 'Foreign' and the only option available is '...
1
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1answer
15 views

Possible to extend /DEV/SDB1 on Centos machine without downtime/data loss?

on CentOS6 I would like to extend /dev/sdb1 to get more free space: df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_www-lv_root 18G 2.9G 14G 18% ...
-1
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2answers
57 views

HP Proliant DL180 G6 HHD failure and replacement

One of the HP HDD in our HP Proliant DL180 G6 had failed, I've replaced the failed HDD with a standard 1 TB Seagate HDD, the Array controller won't start rebuilding on a Seagate, I had the new Seagate ...
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0answers
55 views

Identify the Current Bottleneck in my PostgreSQL Server

This is my first time running a database server that is under some real (non-synthetic) workload and require your help in identifying the current bottleneck. Question: Is it the CPU, RAM, Disk IO? ...
0
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1answer
20 views

How can I connect an SAS drive to a server mobo without native SAS port

Here is my motherboard https://www.supermicro.com/products/motherboard/Xeon/C600/X9DRD-iF.cfm I don't see SAS listed which is why it's not reading, or because it isn't using an SAS cable. SATA is ...
0
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1answer
21 views

What's the difference between 10k/15k SAS HDDs and SATA SSDs?

What is the rule of thumb in performance characteristics and differences between 10k / 15k revolutions per minute (RPM) Serial Attached Storage (SAS) hard disc drives (HDDs), versus Serial ATA (SATA) ...
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0answers
20 views

Any way to lock a self-encrypting drive without powercycling the machine?

I have a self-encrypting drive with a password applied and security enabled. In a normal situation, the drive will lock when it loses power and requires the password the next time it is powered on. I ...
1
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1answer
57 views

UDMA CRC SMART Reporting, Alternative Software/logs for Diag

* Update * As it turns out the human readable portion of SMART reporting numbers is pretty useless for the UDMA CRC errors and you just have to track the RAW value. After flushing through over a dozen ...
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1answer
80 views

RAID 5 disk failure?

I know theoretically how RAID 5 works. In one of my system one disk failure happened on a system with RAID 5. It will take a day to get it replaced. I understand once disk is replace, data will be ...
0
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1answer
25 views

/boot df -h and ls -lh do not match

Redhat Centos7 I've tried searching the internet for far too long to find a solution. my /boot partition has an issue. I can't find what's taking up space. this is my df -h it shows -boot taking ...
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1answer
44 views

S.M.A.R.T. Attributes from OWC Mercury Rack Pro

I'm having difficulty getting SMART Attributes from drives in an OWC Mercury Rack Pro. I can successfully get all the drive info, but I get nothing past the START OF READ SMART DATA SECTION. It is ...
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1answer
94 views

Seagate EXOS noise level [closed]

I just had my second HD crash in my DS213j with a WD Red. This time I am considering something more reliable such as the Seagate EXOS 6TB. I am in doubt about the noise from these EXOS drives. My NAS ...
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0answers
35 views

is it right to mix diff file system between kafka machines

we have kafka cluster with 3 machines each kafka machine use disk for DATA , and each disk is 20TB size the file system on the disk is ext4 now we want to add additional 5 kafka machines but to ...
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0answers
36 views

How to identify which disk is failing in a HP ProLiant RAID controller?

I have a hard time identifying which drive is failing in my HP ProLiant DL360p Gen8. It has the following RAID controller: Smart Array P420i. I see tons of errors in dmesg: [40425140.998750] sd 0:1:0:...
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1answer
39 views

mkfs + xfs + what is the right mkfs cli in order to create xfs file-system on huge disk

We need to create xfs file-system on kafka disk The special thing about kafka disk is the disk size kafka disk have 20TB size in our case I not sure about the following mkfs , but I need advice to ...
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2answers
603 views

External disk drive write performance decreases after some time. What could be the reason?

I have an external USB 3 "spinning rust" 2.5'' Harddisk. Serial number lookup at Western Digital reveals this is a model WDBYNN0010BBL, "WD My Passport (Ultra) Portable Storage, Blue". 1 TB = 931.48 ...
-1
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2answers
38 views

Extend linux partition size without losing any data / techniques

I bought a 200G additional disk for my OVH cloud server because my initial disk was full. Now, my additional disk is almost full (as you can see below). So I added 200 extra more G in it. As you can ...
7
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2answers
820 views

Find the used hard disk data and solve disk pressure [duplicate]

I have a server which is running Ubuntu 18.04 and it is also a worker node for K8s. Sometimes I see that K8s is killing pods on this machine because of disk presseur and when I get df -h --total I can ...
0
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1answer
33 views

How to Expand Server Storage to Dell PowerEdge With a SAN?

I have recently bought Dell Poweredge T410 server with a Perc 6/I RAID controller to get some hands on experience  with server hardware and play around with Windows Server OSs. I've been looking at ...
0
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1answer
50 views

HP ProLiant ML350 Gen9 - Replace SFF cage with LFF cage to use specific HDD

Recently, I was given the task to replace the SFF HDDs in a HP ProLiant ML350 Gen9 (PN: 776973-425, tower version), and use LFF HDDs instead. The HDDs are 4TB SAS 7.2K LFF SC DS HDD (PN: 872487-B21). ...
0
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1answer
40 views

Recovering as much as possible from a LVM where some PVs failed

I have an LVM drive & filesystem made up of 4 disks. One of them has had a hardware failure and doesn't work anymore. When this happeend some of the files were readable on the filesystem, and some ...
0
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1answer
37 views

Limitations to using many SSDs in computing server [closed]

This is a beginner's question: We have a powerful computing server for roughly 10 users which will be increasingly used for data processing. In the past the main bottleneck was I/O. I was wondering ...
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0answers
75 views

Unit for Total_LBAs_Written in SMART data

I have 3 machines with disks (actually, SSDs) in RAID1, purposely with different brands in an attempt to make it improbable to loose them both simultaneously due to wear-out. They are functional. ...
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1answer
25 views

Secure contents of a hard drive so it can't be accessed on another computer [closed]

My company is developing a device that is basically a Linux box with some attached hardware and proprietary software that is installed on several clients. What would be the best options to secure the ...
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1answer
68 views

How can I find which one of 2 HDDs is newer? [closed]

I have 2 hard drives and I really need to find which one was used latest. (they're both broken but I only want to repair newer). Can I somehow figure out which one is newer? labels does not state date ...
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0answers
156 views

HP Proliant DL360p gen8 Unrecoverable Media Error. Amber lights on 3 disks

I have HP Proliant DL360p gen8. 4 disk on RAID 5, 3 of them have amber light on them. I did chkdsk on my virtual machines none reported any error. Am i able to fix it without buying and replacing ...
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0answers
51 views

SMART Extended self-test routine changes duration

I purchased a new Western Digital Elements 3TB a couple of weeks ago. As usual, I did all SMART tests, then badblocks, then SMART tests again. When I first got the drive, SMART showed this: Short ...
0
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1answer
46 views

Is it considered “safe” to run a task with high I/O on a server for 3 days straight, or would you add pauses in it?

I want to hash the contents of 4 million JPEG files taking up 32TB of a 48TB RAID6 partition in CentOS 7. It's a Hetzner SX131 10 x 6TB box. Having run a test on 10,000 files I think the full job is ...
0
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1answer
37 views

Which directories are not consiered by df?

I've used df -h to show me my disk usage: Filesystem Size Used Avail Use% Mounted on /dev/sda2 558G 249G 308G 45% / udev 10M 0 10M 0% /dev tmpfs 6.3G 8....
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0answers
66 views

BTRFS RAID5 issues with chunk, mount and more

I'm using a RAID5 BTRFS system with three disks on my Ubuntu 18.04.2 server. One of the drives started to give errors and the filesystem remounted as read-only continusly. I tried btrfs scrub but it ...
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0answers
12 views

Time spent reading disk is confusingly big

As stated in documentation, the fourth field in /proc/diskstats is: Field 4 -- # of milliseconds spent reading This is the total number of milliseconds spent by all reads (as measured from ...
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0answers
25 views

File changes rollback. Possible faulty disk cache?

I have dozen hard and virtual machines, windows and linux. Sometimes i have strange rollbacks of recently modified files. Linux configuration files can rollback after reboot. On windows some ...
1
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1answer
149 views

Adding disks to existing RAID array

We want to increase disk space of one of our server. Currently it has 8 physical disks(4 x 480 GB, 4 x 1.9 TB) and 3 virtual disks(RAID 1 (2 x 480GB), RAID 1 (2 x 480 GB), RAID 10(4 x 1.9TB)). We want ...
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0answers
31 views

What is a HP Smart Array P822 Transient Data Drive

We had a disk go bad on one of our HP servers. It is a RAID 60. We had 2 drives in the system that weren't assigned to an array yet. We rebooted went into the array and clicked the failed/BAD drive. ...
0
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1answer
49 views

What can LVM do that standard partition can't? [duplicate]

I haven't spent much time dealing with standard partition. Aside from "LVM makes it easier" to manage disk, what really can LVM do that standard partition can't? All I can think of right now is that ...
4
votes
1answer
126 views

RAID10 array check slow, and slowing

I run a new CentOS 7 machine. Linux runs on 2x SSD setup, and I also have 4x SAS drives setup in software RAID10. The RAID10 array is large, 4x 12TB drives, so 24TB usable. File system is: ext4 Now ...
1
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2answers
60 views

Recover harddrive after abruptly power cut [closed]

Following is my partition table, mercurial@providence:~$ sudo fdisk -l Disk /dev/sda: 465.78 GiB, 500107862016 bytes, 976773168 sectors Disk model: ST9500420AS Units: sectors of 1 * 512 = 512 ...
8
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4answers
256 views

How long will unused hard drive last?

Our company wants to do some local (non-cloud) backup, I'm thinking the easiest is to get some high quality external hard drives, copy the data onto them, detach them, then store the drives in a ...
66
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13answers
16k views

SSD or HDD for server

Issue I have read many discussions about storage, and whether SSDs or classic HDDs are better. I am quite confused. HDDs are still quite preferred, but why? Which is better for active storage? For ...
1
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2answers
601 views

Disk usage metrics missing from Prometheus node exporter

I used Prometheus and node exporter a while ago and had access to node_filesystem_* metrics to monitor disk usage but I've recently fired it up on some other servers (Ubuntu Linux) and those metrics ...
2
votes
1answer
113 views

Disk errors, drives going into read-only mode and HP P410i Smart Array resetting logical drives

I manage a HP ProLiant DL380 G6 server for a student association which was going to be thrown away by our university. The server has a P410i hardware raid controller which we use for a 3 drive RAID 5 ...
0
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0answers
47 views

Hetzner's installimage uses only one disk

I have a Hetzner server with 7 SSD drives as the following: /dev/sda /dev/sdb /dev/sdc /dev/sdd /dev/sde /dev/sdf /dev/sdg I am trying to do a Volume Group on it named vg00 that contains Physical ...
0
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1answer
204 views

Systemd error “Timed out waiting for device dev-sdl2.device”

I'm getting this error showing up in my logs. Sep 19 23:50:24 MY-SERV systemd[1]: dev-sdj2.device: Job dev-sdj2.device/start timed out. Sep 19 23:50:24 MY-SERV systemd[1]: Timed out waiting for ...
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0answers
33 views

LSI RAID6 with 3 disks loss recovery

My hardware RAID6 on an LSI controller experienced a disaster - 3 disks were physically removed from it - they are not faulty. After reboot the 3 drives were showing as "Unconfigured BAD". I used ...
1
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0answers
27 views

SAS HDD won't reinstall, keeps flickering and shows red light

I have an HP ProLiant SE316M1R2 server. I had 3 hard disks in the Smart Array P410i (they're Fujitsu, two RAID 0 in bay 1 and one RAID 0 in bay 2), so I uninstalled one of them because I was testing ...
2
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1answer
44 views

While RAID1 is resyncing after create, can i write files to it immediately?

I searched but i just found this. How to interrupt software raid resync? My question is can i write files to my raid1 device while... [root@centos ~]# cat /proc/mdstat Personalities : [raid1] ...
5
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2answers
238 views

Server Hot Swap Hard Drives

We have a HP Proliant DL380 G9 server. We have a separate data drive which consists of 4 x 1TB 7.2k 6Gb hot-swappable SAS drives RAID 5'd to provide a 3GB logical drive. We've noticed the performance ...
1
vote
1answer
89 views

Extremely Low Random Read/Write Performance on (4096 Aligned) Advanced Format Disks

On a SATA 3.0, 6.0 Gb/s *-disk:0 description: ATA Disk product: WDC WD20EFRX-68E vendor: Western Digital physical id: 0 bus info: scsi@1:0.0.0 hw_sector_size: 512 ...
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1answer
70 views

Webserver with merged disks and backup optimal Solution

I have to set up an HPE server GEN10 with 2x240GB SSD & 3x1.2TB HDDs as a webserver. Client needs a production repo (live on apache folder), multiple development repos and backup. My idea is 1) ...
0
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3answers
285 views

Disk inodes full due to PHP sessions

We have been struggling with this problem for over 2 years now. We have an eCommerce shop that uses PHP sessions to store user baskets and other information. The problem is that after a while, the ...