Questions tagged [metadata]

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Is possible to change metadata of XFS system to another disk (such SSD)

I've a system in VPS with a big XFS. Now I have the possibility to add an SSD device to that VPS. Is it possible to change the meta-data destination from partition formatted as SSD to SSD partition to ...
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NFS cache on Linux client but only for metadata?

I have several mounts shared via NFS. They contain loads of files, from text files to RAW photos. Issuing find on them is rather painful as even on 1GbE link it just doesn't happen as smooth as on ...
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Reading only the metadata of a file in a Google Cloud Storage bucket into a Cloud Function in Python (without loading the file or its data!)

I need something like Cloud Storage for Firebase: download metadata of all files, just not in Angular but in Python and just for a chosen file instead. The aim is to return this information when the ...
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How to use mdadm to assemble arrays from crashed windows server

I got 12 hard disks from completely crashed server, some of them are failing, too. I successfully saved bit copy of all of them, even not always error free. I found 512MB superblock on each end of ...
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rdiff-backup Warning: Metadata file has no digest for file

I'm trying to verify my rdiff-backup, but it seems like half of the files are missing their metadata hash. This means I get tons of errors when running the --compare-hash function: Warning: Metadata ...
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Block Storage Metadata

What is the Metadata stored with file and block storage? I assume that file storage has metadata regarding to the hierarchical nature of file system like,what files,what directories,files/sub-...
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BTRFS: Multiple copies of metadata on different physical drives

I have rather big btrfs volume assembled as a single drive using different physical size drives. The data is single, the metadata is raid1. Still all the (meta)data is within a single volume. I ...
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Other virtual drive formats for linking to physical disk device or to archive content

It is known that you can link to physical disk device through VMDK virtual drive format. It works on Mac*, Lin*, Win* with VirtualBox or VMware ( here solution with VBoxManage internalcommands ...
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1 answer
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How to accelerate metadata (getattr) requests on an NFS file server for fast locally-cached reads?

We have a storage server with a 12 disk RAID-6 pool of 100 TB. It is used by several client compute nodes via NFS, mostly running deep learning training (lots of images ~100 KB, loaded in random order)...
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1 answer
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Is it possible to fix corrupt LUKS header?

I just accidentally overwrote the LUKS metadata of my volume with a new LVM header. I have copy of the original LUKS header but can't find it. Just in case, I made a dd image of the first 10MB of the ...
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Creator of the instance

I am trying to figure out how to get information about who is the creator of an instance in the GCP. The use case: I wish to build a certain automation, and one of the requirements is to get ...
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How to filter files which have permissions changed in last n minutes

Example, I have two files -rw-rw---- 1 1000 1000 5 Sep 28 01:25 file1 -rw-rw---- 1 1000 1000 13 Sep 28 01:25 file2 After echo "asdfg" >> file1 (file1 content was modified) -rw-rw---- 1 ...
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What does an infrastructure that hosts an FTP server with HTTP access look like?

I am wondering about how companies provide access to the same files over FTP and HTTP/HTTPS. What are the different servers involved in setting up such an infrastructure? I am interested, ...
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1 answer
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AWS EC2 Instance Metadata service fails to respond

Environment, system details, and tools: AWS EC2 EC2 Instance Metadata service (i.e. http://169.254.169.254/latest/meta-data/) Cloudwatch wget bash Ubuntu 14.04 Has anyone ever seen this? We have a ...
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Replacing a failed disk HP P2000 SAN - Invalid Metadata

On Friday I had an absolute disaster. I went to the datacenter in order to rack a new server and at the same time, took a new disk with me to replace a drive that had failed a couple of weeks back in ...
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Recommendations for DNSSEC key metadata

In order to implement auto-dnssec maintain in the 9.7+ versions of BIND, one adds dates to the keys as metadata. After a lot of reading, I've come up with the following and hope that someone can ...
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1 answer
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Why is find not excluding old files?

I want to copy all gzipped files from my apache logs that were created less than 43 days ago. As a test, I simply listed my files from find: sudo find /var/log/apache2/ -mindepth 1 -ctime -43 -name "...
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Why shibboleth IdP idp-metadata.xml recommends 8443 for SOAP?

After the install.sh of 2.4.0 Shibboleth Identity Server, the idp-metadata.xml file is created. Why is that? Is not enough secure to use the standard HTTPS/443 port? <ArtifactResolutionService ...
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Hbase catalog tables custom location

I have a Hbase cluster running with 2 region servers, each hosting around 100 regions. I can see that the ROOT and META tables are automatically assigned to separate region servers. My system is read ...
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1 answer
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Obtaining ext4 metadata

Is there any way of obtaining the following metadata on an ext4 filesystem? latest modified files files modified during a certain period largest file files within a size range
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Mercurial storing metadata on OS X

I was searching for convenient incremental snapshot & rollback & show-what-changed solution for my OS X boxes, and ended with simple yet powerful idea — why not create Mercurial repository at ...
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15 votes
1 answer
8k views

How to prevent/firewall calls to AWS EC2 Instance Metadata API?

The AWS EC2 Instance Metadata API provides a lot of useful functionality. Anyone on the actual EC2 instance can make a call to http://169.254.169.254/ and see metadata for the instance the call was ...
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1 answer
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ESX 3.5 refuses to update

I have a set of ESX 3.5 servers in 2 different datacenters. One is DR, one is production. They are on the same vlan and so I can access any of them on the private network from my vCenter server. Last ...
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2 votes
0 answers
524 views

What is the default metadata size in temporary volume during a pvmove?

I ran into an interesting error when attempting to address a particular problem. We had an issue where we have to move the extents over to new physical volumes because the metadata size was too ...
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1 answer
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Cannot delete DC from AD after dcpromo /forceremoval

Very much a follow on from this question I asked earlier here. Trying to go through metadata cleanup but every time I click delete on the offending DC I get an access denied (after prompts about it ...
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5 votes
2 answers
5k views

How do I view NTFS metadata?

On a Windows Server 2008 R2 file server, we are encountering a memory usage problem. We used RAMMap to troubleshoot, and found that 10GB of NTFS Metadata is being cached in memory and never gets ...
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1 answer
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Metadata Cleanup Windows Server 2008

I have 2x Windows Server 2008, and 1x Windows Server 2003 that doesn't boot any more. I need to remove the 2003 server from the DC role. I found this Microsoft article. It says that you can remove a ...
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3 votes
1 answer
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SharePoint metadata not visible to users

I'm working on a dynamic page that does data lookups based on metadata in the term store. So I have a Managed Metadata column set up and I can use it to query lists and such with no problem. I also ...
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  • 311
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4 answers
830 views

Batch change modified/created dates?

I recently bought new hard drives for my NAS. This means that I'm copying all the data off the NAS, upgrading it, and then moving the data back. I've gotten as far as copying the data from the NAS, ...
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4 votes
3 answers
12k views

How do I move the physical location of $MFTMirr, to allow resizing the partition?

When an NTFS volume is created, the first four entries of the MFT are copied and placed halfway the volume in the $MFTMirr file. According to Microsoft, since XP these files (metadata files) can be ...
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What do you name a SharePoint file when the metadata takes cares of all the naming for you?

I am tyring to implement effective metadata to my SharePoint libraries. Great I think! No longer have to put the relevant meeting date at the start of every document name, you can make it a tag! make ...
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669 views

ffmpeg: When creating a slice of an audio file, how do i also copy over all the meta data from the original file?

That's my question :) the command i'm using is below ffmpeg -ss 00:01:00 -t 00:00:45 -acodec copy -i original.mp3 new_file.mp3 Thanks for any help!! EDIT: Solution ffmpeg -ss 00:01:00 -t 00:00:45 ...
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