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Tag: File System

How to Resize an Online Multipath Device in Linux
August 29, 2020 Linux

How to Resize an Online Multipath Device in Linux

Problem I have a LUN of 2GB which is exported to one of my Red Hat Enterprise Linux (RHEL) servers. This volume is being used on the server and mounted on /rcptest. I need to increase this virtual volume from 2GB to 10GB on the storage …
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How to Extend Filesystem Online on HP-UX 11.31
August 28, 2020 HP-UX

How to Extend Filesystem Online on HP-UX 11.31

Sometimes we need to extend the size of a logical volume (LV) to increase the free space when running out of space. My one HP-UX server having logical volume /dev/vg00/lvol5 mounted on /opt becomes 79% full and I need to increase the size of this logical volume online from 16GB …
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Partitioned Disk Not Found in Linux,  cannot access : No such file or directory
August 19, 2019 Linux

Partitioned Disk Not Found in Linux, cannot access : No such file or directory

Problem I have added a new disk to the Linux server but after creating the partition using fdisk command, the partitioned disk was not found, as shown below: # fdisk /dev/mapper/mpathq Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building …
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How to Delete the Windows.old from Windows 10
August 2, 2019 Microsoft Windows

How to Delete the Windows.old from Windows 10

Problem Recently I got an update for Windows 10 on my laptop. I have updated the running windows 10 on my laptop. Before the update, there was 84 GB of space was available on my laptop hard disk but after the update, I found that there …
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Device /dev/mapper/mpathlp1 not found (or ignored by filtering)
December 11, 2018 Linux

Device /dev/mapper/mpathlp1 not found (or ignored by filtering)

Problem I have exported a new volume of 2TB from my SAN to a Linux server but after scanning and partitioning the disk when I tried to create the physical volume then I got the below error: # pvcreate /dev/mapper/mpathlp1 Device /dev/mapper/mpathlp1 not found (or ignored by …
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Cannot mount NFS share in RHEL 7: wrong fs type, bad option, bad superblock
September 27, 2018 Linux

Cannot mount NFS share in RHEL 7: wrong fs type, bad option, bad superblock

Problem I have configured a new server with RHEL 7.4 as a web server. I tried to mount an NFS shared folder on this machine and got the below error: # mount -o tcp nfsserver:/upload /home/upload mount: wrong fs type, bad option, bad superblock on 10.30.1.62:/upload, missing …
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How to extend the size of Logical Volume (LV) in HP-UX
April 14, 2018 HP-UX

How to extend the size of Logical Volume (LV) in HP-UX

Sometimes we need to extend the size of a logical volume to increase the free space when running out of space. One of my servers has logical volume /dev/vg00/lvol5 mounted on /opt which becomes 76% full so I have to increase the size of the Logical Volume (LV) /dev/vg00/lvol5. I have to …
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Linux: Count number of files inside a directory including its subdirectories
April 12, 2018 Linux

Linux: Count number of files inside a directory including its subdirectories

If you need to count the number of files in a directory as well as all the files in its subdirectories then use the below command. Count Number of Files in Current Directory Use the find . -type f | wc -l command to count the …
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How many files can I put in a directory (ext4 file system)
April 11, 2018 Linux

How many files can I put in a directory (ext4 file system)

You can put the unlimited number of files and subdirectories under a directory which formatted using ext4 file system. Unlimited number of subdirectories in the ext4 file system Ext4 allows an unlimited number of subdirectories. (In ext3 a directory can have at most 32,000 subdirectories.). To allow for …
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How to determine file system type in HP-UX using command
April 9, 2018 HP-UX

How to determine file system type in HP-UX using command

The Disks and File Systems (fsweb, bundle FileSystems) tool is a single-system tool for managing logical volumes, volume groups, disks, file systems, paging devices, and backup & recovery of file systems, on systems running on HP-UX 11i v2 and HP-UX 11i v3. The Disks and File …
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