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Questions tagged [storage]

Primarily questions about disk storage, sometimes questions about application storage or cloud storage. Always questions about storing data.

9
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1answer
839 views

A quick way to check the type of the drive

Is there a quick way to understand a type of the "storage" on Linux? Is it a HDD or SSD (or NVMe)? It's already known that the host is a physical machine and not a VM. The first thing I though about ...
-1
votes
0answers
15 views

Error on channel 4b, Disk shelf issue

I am getting message on FA3140 that disk storage attached to channel 4b has errors. I have checked it and saw amber light on power supply of 2 x disk shelves. What should be the course of action now ?...
0
votes
1answer
17 views

virtualmachine lvm reduce size KVM Debian9

I have got 4 6TB HDD's, each is divided into 5 partitions: 1) ESP - 250mb 2) raid - rootfs 14gb raid1 3) swap - 5gb 4) raid - 70gb raid1 LVM's for VM's 5) raid - 16tb raid5 LVM for storage And ...
1
vote
0answers
15 views

Can SAS Expander's OUT port be used as IN?

Assuming there is only one HBA and no failover intended. The card is an HP 468405-001 or 487738-001 with 6x Mini-SAS OUT and 2x IN internal. Its 1x external connector is dubbed 'HPE Tape.' If I ...
1
vote
1answer
19 views

How can I create the large disks in Azure that are currently in public preview?

Azure started supporting extra large disk sizes in September 2018 (as described here) as a public preview, currently available only in the West Central US region. I'm trying to create a new S60 (4-8 ...
0
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0answers
20 views

What File systems can I use with Samba VFS Shadow Copy

I have an up and running file server running a LVM managed mirrored array and Samba Version 4.5.12-Debian. I want to add some protection against accidental deletion / overwrite. The protection only ...
0
votes
1answer
25 views

Is there any “native” way to check for disk errors/failure?

Currently I check for disk failures using a real hodgepodge of checking syslog for filesystem errors, raid controller/HBA burp errors, and actively writing a file to disk, checking its contents, and ...
1
vote
1answer
33 views

Exposing disks to virtual machines as 512e

I'm aware that VMware ESXi supports the creation of datastores on local Advanced Format 512e disks as of v.6.5. However, all the (very scarce) information I can find seems to suggest that virtual ...
0
votes
1answer
39 views

RAID50 slow write speed

Initial Configuration: RAID: Disk Drives: 6 HDD TOSHIBA MBF2600RC (600 Gb, 16 Mb, 10025 RPM, SAS, 600 Mb/s) 2 Spans Motherboard: SuperMicro X8DTU-6F+/6TF RAID Controller: SuperMicro SMC2108 Virtual ...
1
vote
1answer
60 views

Why same disk model but different capacity?

I'm trying to replace an old disk on a JBOD that I inherited. I bought exactly the same model but it seems it has a different capacity (resulting from different number of disk sectors), preventing me ...
0
votes
0answers
30 views

Squid docker container configuration and swap

I'm currently running 4 squid container on my VPS. The server is a 1 vCore cpu with only 512 mb ram. I don't need a high percentage of hit rate, i don't need cache at all in fact. Starting from the ...
0
votes
0answers
31 views

how to do storage networking in kubernetes?

assuming that i have a working kubernetes cluster installed if i create a pod with a persistent volume claim requesting 1GB of storage and i bind it to a local directory or nfs server will kubernetes ...
0
votes
1answer
34 views

Azure App Service Tiers that Permanently Store Diagnostics Data

I need to permanently store diagnostic data for my webapp. I'm currently running in the Basic tier. If I upgrade to standard or premium, will either of those guarantee permanent diagnostic data ...
0
votes
1answer
46 views

Get-AzureStorageContainer Powershell Command Adding Additional Text

I'm trying to run a powershell command to list the blobs in a container. I found this command and modified it as needed: $ctx = New-AzureStorageContext -StorageAccountName [name].blob.core....
1
vote
1answer
25 views

How to find if FC-Switch using port-zoning or not Brocade FC 300

I have to replace a HBA on RedHat5.3 due to card failure. A tech guy asked me that "Check your FC-Switch Zoning Type of Port Zoning or not? , because if host accessed by WWNN, you'll need to update ...
4
votes
1answer
126 views

Whats the best filesystem for managing millions of images?

I am designing a system capable of working with 15 million (and growing) image files ranging from 100k to 10mb. I am looking for some opinions on what may be the best filesystem to support the (...
0
votes
1answer
40 views

Where are Azure SQL Database Backups Stored

I've got 5-6 Azure SQL Databases running. They run in the Basic and Standard pricing tiers. From what I've read backups run by default which allow for the Point in Time restore options to work. ...
1
vote
1answer
44 views

HP server with failed disk in hardware RAID 5, how to replace (have same-spec disk)?

My system Admin suddenly took an emergency leave and I am not so good in system administration. Seeking your help. I have a HP server running VMware. The server contain Hardware Raid 5 with three SAS ...
0
votes
1answer
72 views

Dual SAN controller failure [closed]

I am new to storage but facing a serious disaster issue of the failure of Dual SAN Controller. Don't know whether this is a right place to ask this question. Anyways the problem is, None of the ...
1
vote
1answer
270 views

Ceph or Gluster for implementing big NAS

We are planning to build NAS solution which will be primarily used via NFS and CIFS and workloads ranging from various archival application to more “real-time processing”. The NAS will not be used as ...
0
votes
1answer
105 views

Modern transparent folder compression in Ubuntu 18.04

I'm looking for a way to transparently compress files in a directory, that will be shared over SMB. I have a server, running Ubuntu 18.04.1 LTS, and I use it for file storage. Mainly what I want to ...
0
votes
2answers
342 views

how to increase the size for /dev/mapper/centos-root?

My current settings are as below, where the /dev/mapper/centos-root partition is almost full. Looks like this partition is on disk /dev/mapper/centos-root. but there is another disk /dev/vda , which ...
1
vote
1answer
61 views

Glusterfs FUSE client black magic (automatic high availability)

Quick question regarding the Glusterfs FUSE client black magic. I currently have a gluster 3 node doing a single replica volume. On my gluster fuse client i am pointing to one of the glusterfs nodes ...
-1
votes
1answer
43 views

Recovering formatted Microsoft Storage Space Raid-5

I have accidentally formatted my Storage Space. The setup is 3 units of USB 3.0 Hard drives with 4TB each. Total 7.4Tb of storage available. I have used Active File Recovery with no success.It finds ...
0
votes
1answer
36 views

Oracle RAC installation failure: disk share issue

Oracle RAC installation is failing because of shared disk issue. While running "runcluvfy.sh" to verify the disk share between nodes. it is failing on node2. I have collected trace logs of following ...
1
vote
1answer
34 views

Unused switch ports in Fabric (brocade)

I am very new to storage but we are having trouble with performance on our SAN. While troubleshooting I found that one of our switches in the fabric (1 HP C7000 with 2 flexbric interfaces connected to ...
0
votes
1answer
18 views

How do I access a network drive that won't upgrade past SMBv1 w/ devices that have been Updated to SMBv2 & v3?

I am getting Network drive error code 0x80070035 because the network drive is no longer being updated or supported by the manufacturer. I still want to use the drive since its a good drive, but I don'...
1
vote
0answers
38 views

Issue with resizing disk on VMware VSphere

I have expanded a virtual disk for a Centos 7 virtual machine to 100 GB size. Then I used Gparted to add the unallocated 30GB to the /dev/sda1 partition. But when I execute df -h the new size of ...
0
votes
1answer
71 views

How could I create an Azure Storage Account size Alert

For example, if I wanted to get an alert or an email when my File Storage reaches 100GB. Is there a way to do this?
0
votes
0answers
77 views

Nextcloud: Storage is temporarily not available

I wanted to move my Nextcloud from One to another server. This Time I want to have the primary storage to be a swift openstack storage. So I created a storage and tried to add it to the config.php ...
2
votes
1answer
81 views

LVM or not for KVM storage?

Is there any issue with using LVM for your host server's storage pools or raw devices that are used by KVM guest? Eg. say I want to add storage to the /home directory on my KVM guest. I have a Volume ...
1
vote
1answer
20 views

PostgreSQL - Clear space on Linux machine

How can I delete all stored records of my PostgreSQL data in CentOS 7 machine? Previously I inserted 10 million rows of data with 12 columns, and I ran into storage issues, so I dropped the tables ...
0
votes
1answer
813 views

PostgreSQL - Could not extend file No space left on device. HINT: Check free disk space

I've been inserting data into PostgreSQL DB, and got the error message: psycopg2.OperationalError: could not extend file "base/16384/61892": No space left on device HINT: Check free disk space I am ...
2
votes
3answers
46 views

Expanding volume on basic disk on Hyper-V replicated cluster

I expanded a disk for a VM in Hyper-V. Now I need to expand the volume but it has no contiguous space and it's a basic disk. Windows suggests to convert it to a dynamic disk but I heard that it might ...
1
vote
0answers
53 views

SQL Server 2016 Restore From URL

I'm having some trouble restoring databases in SQL Server Management Studio which have been backed up to Microsoft Azure. I have been able to create the maintenance plans which successfully create the ...
0
votes
1answer
47 views

mount cephfs or rbd via Internet

Is there any suitable solution for this? I know about security issues, but is it possible? Or other better storage solutions? We tested s3fs+cephrgw, but It's very slow and unstable.
0
votes
0answers
12 views

What are the steps to recover the OpenEBS Jiva volume from read-only?

I had a cluster situation where all the nodes with replica's went down, but now they are all back online and replicas are running. However, my volume mount at application is still complaining that the ...
0
votes
0answers
28 views

Why OpenEBS mount path is still available on host machine even after deletion of PVC?

I have deleted PVC, but it shows that OpenEBS mount folder is still present with the PVC folder name and data. This is not releasing space on my host machine. Why it is so?
0
votes
0answers
13 views

Where can i find the volumes/files on my hosts in OpenEBS?

I have installed OpenEBS with replica count 3 in a 3 node k8s cluster. I need to know where will be the files are getting stored?
0
votes
0answers
21 views

Not able to bringing up the PVs after cluster restart in OpenEBS

" I am having an issue bringing up the PVs after cluster restart. The issues are with 3 replica volumes in particular. Messages are as follows: time=""2018-09-04T08:15:44Z"" level=info msg=""...
0
votes
0answers
15 views

How do I check rebuild is complete in OpenEBS after losing a replica?

I am using OpenEBS with Jiva. I have MySQL pod running on OpenEBS with 3 replicas. My DB is around 10GB with the actual volume size ~30GB After I lose a replica, new replica span up. Assuming that it ...
-1
votes
1answer
57 views

Does OpenEBS support shared storage?

Does OpenEBS provide any kind of storage class that enables shared storage among containers? let's say I have 5 containers that need to access the exact same data. I have several containers doing AI ...
0
votes
0answers
13 views

How do I can expand the Jiva Storage Volumes?

I have created OpenEBS volume with 55GB initially which is mounted on my host. Now I need to expand it to 75GB. Is it possible to expand the same? If possible,Is there any impact for my application ...
0
votes
0answers
33 views

How to use AWS EBS disk with OpenEBS?

I am having a 3 node AWS cluster with 3 EBS disks per Node. I want to use these disks for OpenEBS volume creation. How can I use these disks for OpenEBS volume creation?
0
votes
0answers
19 views

Does OpenEBS support ReadOnlyMany option for Jiva Volumes?

Regarding OpenEBS iscsi provisioner: How to use ReadOnlyMany with iscsi? When I apply it on kubernetes pod it gives the following error: (x12 over ) openebs.io/provisioner-iscsi openebs-provisioner-...
4
votes
1answer
235 views

Poor write performance of software RAID10 array of 8 SSD drives

I have server with Supermicro X10DRW-i motherboard and RAID10 array of 8 KINGSTON SKC400S SSDs; OS is CentOS 6 # cat /proc/mdstat Personalities : [raid10] [raid1] md2 : active raid10 sdj3[9](S) ...
0
votes
0answers
8 views

Resource requirements for glusterfs [duplicate]

We are running 2 gluster nodes in Gcloud with below specs. Spec of one gluster node. 8 vcpus/30GB RAM. 8TB HDD with 750GB SSD used as Bcache. Currently using Ubuntu, but we have plans of moving to ...
0
votes
1answer
52 views

HDD unpluged for a long period of time goes bad? [duplicate]

I have two HDD's unplugged for two years. It's from my old pc. I have some important files in there but I'm wondering about this problem. Will the HDD's turn on and I'll be able to access all my ...
2
votes
1answer
38 views

Does glusterFS allow you to use multiple “classes” of storage?

I am used to traditional SANs. On a traditional SAN, we're able to create tiers of storage (fast disks, slow disks), and then allocate volumes from those tiers of storage. This way a device that needs ...
1
vote
1answer
29 views

RedHat: MultipathPackage Compatibility

I have an old RedHat5 server I can't upgrade the OS and new san XtremeI/O storage EMC recommended to install device-mapper-multipath 0.4.9-72 as a native multipath package.But the only available ...