Sure thing I have a better version to add to it 
Sent from my iPhone

> On Jan 12, 2026, at 08:51, Amos Jeffries <[email protected]> wrote:
> 
> Nice. Thank you.
> 
> Would you mind adding this to the Squid wiki?
> 
> IMO it should go as a new file in this part of the wiki repository:
> <https://github.com/squid-cache/squid-cache.github.io/tree/main/docs/ConfigExamples/Caching>
> 
> (you can use the existing WindowsUpdates page there as an example/template 
> layout to match the rest of the ConfigExamples section).
> 
> 
> 
> Cheers
> Amos
> 
>> On 10/01/2026 09:07, Jonathan Lee wrote:
>> Great find
>> pfSense Squid Cache on NVMe (Persistent Across Reboots)
>> ======================================================
>> Goal:
>> -----
>> Use an existing directory on an already-mounted NVMe drive
>> as Squid’s cache, while satisfying pfSense’s requirement
>> that the cache live under /var/squid.
>> This method:
>> - Works across reboots
>> - Survives pfSense & Squid upgrades
>> - Does NOT use symlinks (which do not work)
>> - Does NOT destroy existing data on the drive
>> --------------------------------------------------------
>> Prerequisites:
>> --------------
>> - NVMe drive already mounted (example: /nvme)
>> - Existing cache directory on the drive:
>>   /nvme/LOGS_Optane/Squid_Cache
>> - Squid package installed
>> --------------------------------------------------------
>> Step 1: Create the mount point under /var/squid
>> ------------------------------------------------
>> (Only creates an empty directory if it doesn’t exist)
>> mkdir -p /var/squid/cache
>> --------------------------------------------------------
>> Step 2: Bind-mount (nullfs) the existing directory
>> --------------------------------------------------
>> (This makes the NVMe directory appear inside /var/squid)
>> mount_nullfs /nvme/LOGS_Optane/Squid_Cache /var/squid/cache
>> NOTE:
>> - No data is moved or copied
>> - Existing cache contents are used directly
>> --------------------------------------------------------
>> Step 3: Make the mount persistent (IMPORTANT)
>> ------------------------------------------------
>> pfSense GUI:
>> 1. Go to:
>>    System → Advanced → fstab
>> 2. Click "Add"
>> 3. Set the following:
>>    - Type:        nullfs
>>    - Device:      /nvme/LOGS_Optane/Squid_Cache
>>    - Mount point: /var/squid/cache
>>    - Options:     rw
>> 4. Save
>> 5. Apply Changes
>> --------------------------------------------------------
>> Step 4: Configure Squid to use the new path
>> -------------------------------------------
>> pfSense GUI:
>> Services → Squid Proxy Server → Local Cache
>> Set:
>> Cache directory:
>>   /var/squid/cache
>> Save and restart Squid.
>> --------------------------------------------------------
>> Step 5: Verify
>> --------------
>> Check that the mount is active:
>> df -h | grep squid
>> mount | grep nullfs
>> You should see the NVMe filesystem mounted at:
>>   /var/squid/cache
>> --------------------------------------------------------
>> Behavior After Reboot:
>> ----------------------
>> - Mount persists across reboots
>> - pfSense package manager no longer complains
>> - Squid cache cleanup works normally
>> - No manual remounting required
>> --------------------------------------------------------
>> Important Notes:
>> ----------------
>> - Symlinks do NOT work (pfSense resolves real paths)
>> - nullfs is the correct and supported workaround
>> - MSDOS/FAT filesystems work but are not ideal long-term
>> - UFS or ZFS is recommended if you ever reformat
>> --------------------------------------------------------
>> End of file
>> Sent from my iPhone
>> _______________________________________________
>> squid-users mailing list
>> [email protected]
>> https://lists.squid-cache.org/listinfo/squid-users
> 
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