In simple language….
The "other volumes" are preboot, recovery, and vm (virtual memory).
They are part of a standard APFS boot volume.

The vm volume will take up most of the space as it supplements your Ram to 
store things too big for Ram.

A "container" in APFS is much like a partition in other file systems/partition 
schemes.
A container will contain a number of virtual "volumes." they are "virtual" in 
that the volumes of a container all share the storage space of the container.

Regards,
Ronni

> On 22 Apr 2018, at 8:26 am, Ronni Brown <[email protected]> wrote:
> 
> Hi Peter,
> 
> What you are seeing in Keychain Access below is all rather normal.
> 
> Re: Disk Utility - High Sierra
> A standard macOS startup APFS container does contain additional volumes to 
> the volume with macOS installed on it. 
> You can list these with diskutil apfs list. The standard configuration of 
> such a container is as follows:
> 
> disk1s1, the volume you boot from, mounted at /, shown in Disk Utility as 
> Macintosh HD
> disk1s2, ‘Preboot’, not mounted, hidden
> disk1s3, ‘Recovery’, not mounted, hidden
> disk1s4, ‘VM’, mounted at /private/var/vm, hidden
> 
> The last 3 are grouped as Other Volumes in Disk Utility. 
> They're required by macOS and shouldn't be removed.
> 
> Cheers,
> Ronni
> 
> 13-inch MacBook Air (April 2014)
> 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz
> 8GB 1600MHz LPDDR3 SDRAM
> 512GB PCIe-based Flash Storage
> 
> macOS High Sierra 10.13.4
> 
>> On 21 Apr 2018, at 2:18 pm, Peter Crisp <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hi Ronni, firstly, yes I hope the WCE can do the proper business. We shall 
>> see.
>> 
>> I had a browse around Keychain Access the other day but was to wary to edit 
>> anything so I didn’t. But I had a look again now and there is no Keychain 
>> First Aid routine in the latest OSX High Sierra. Some web browsing confirm 
>> Apple quietly removed it due to some potential vulnerabilities. In the 
>> Keychain Access window there are numerous rows of information representing 
>> “Name_Time Capsule” some with Kind is network password and others Airport 
>> Disk password. Attributes on thee network password kind say Account: No User 
>> account (dated 2017) and the Airport Disk password  kind say Account: Peter 
>> Crisp - but these are dated 2014.
>> 
>> So I ran the Boot volume First AId and it completed successfully.  In 
>> running that I noted that in the storage representation bar for the Mac HD 
>> has a “Used” section to the bar (101GB) and “Other Volumes” (2.82GB) and the 
>> rest Free 146GB. I don’t know what “Other Volumes” is. Is that normal?
>> 
>> Regards
>> 
>> 
>> Pete
>> 
>> On 21 Apr 2018, at 12:55 pm, Ronda Brown <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>>> Hi Peter,
>>> 
>>> I just caught up with this thread... sorry for late reply.
>>> But have you tried ‘Keychain First Aid’?
>>> Since problems with passwords are likely due to the keychain, open the 
>>> "Keychain Access" utility and run the "Keychain First Aid" routine 
>>> (available in the "Keychain Access" menu) on all keychains. 
>>> 
>>> After this, if the problem still persists, try running a permissions fix on 
>>> the boot drive using "Disk Utility", which should ensure all files on the 
>>> boot drive are properly accessible.
>>> 
>>> Regards,
>>> Ronni 
>>> PS. Best of luck with your Eagles today... smash Carlton ;-)
>>> 
>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>> 
>>> 
>>> On 19 Apr 2018, at 7:18 pm, Peter Crisp <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>>> Further to this, I might add that I am on High Sierra 10.13.4 (MBP Retina 
>>>> 2013) and those that have experienced it previously indicated it was with 
>>>> the recent update/s and for those people it was not an issue previous to 
>>>> recent updates.
>>>> 
>>>> Perhaps the sequence of updates for me along with other extraneous things 
>>>> has lead to this and being limited to those others duplicating that 
>>>> scenario.
>>>> 
>>>> Regards
>>>> 
>>>> 
>>>> Pete
>>>> 
>>>> On 19 Apr 2018, at 7:14 pm, Peter Crisp <[email protected] 
>>>> <mailto:[email protected]>> wrote:
>>>> 
>>>>> Hi Ronni, yes you’re right. I have been doing this every time opening the 
>>>>> Finder, Press “Connect as” and then enter password. Every time I do this, 
>>>>> I select the “keep my password in my Keychain”. Every time I do it again, 
>>>>> it asks for me to enter password again. So I do, and also select the 
>>>>> “keep my password in my Keychain”. Each time entering the password, I am 
>>>>> successful as being connected as “Peter C...” and not Guest so it is ok 
>>>>> in that respect. But the fact that the keeping of password is not being 
>>>>> kept is forcing me to enter it each time. 
>>>>> 
>>>>> I did some Apple Support reading and other’s have experienced the same 
>>>>> failure to have the keychain remember the entered password, means each 
>>>>> time it needs re-entering. Is there a way to remove the password from the 
>>>>> keychain and start the process over again and perhaps trigger the 
>>>>> remembering process for the OS?
>>>>> 
>>>>> Regards
>>>>> 
>>>>> 
>>>>> Pete
>>>>> 
>>>>> On 19 Apr 2018, at 9:24 am, Ronda Brown <[email protected] 
>>>>> <mailto:[email protected]>> wrote:
>>>>> 
>>>>>> Hi again Peter,
>>>>>> 
>>>>>> I probably should explain more re my last reply.
>>>>>> In the Finder sidebar under shared is your ‘Pete’s Time Capsule’ 
>>>>>> (whatever you named it). 
>>>>>> When you click it, then click ‘Connect As’ you are attempting to connect 
>>>>>> to the server ‘Pete’s Time Capsule’ click connect put the password for 
>>>>>> the Time Capsule and then you see the ‘Data’ folder and on the far right 
>>>>>> side of screen under ‘Kind’ is ‘Sharepoint’ 
>>>>>> 
>>>>>> Cheers,
>>>>>> Ronni
>>>>>> 
>>>>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>>>>> 
>>>>>> 
>>>>>> On 19 Apr 2018, at 6:51 am, Ronda Brown <[email protected] 
>>>>>> <mailto:[email protected]>> wrote:
>>>>>> 
>>>>>>> Hi Peter,
>>>>>>> 
>>>>>>> You have File Sharing setup on your Time Capsule Network.
>>>>>>> Look in the Finder Sidebar under Shared.
>>>>>>> 
>>>>>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>>>>>> 
>>>>>>> 
>>>>>>> On 18 Apr 2018, at 8:20 pm, Peter Crisp <[email protected] 
>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>> 
>>>>>>>> Hi Neil, I’ve checked and there is just the one network which I have 
>>>>>>>> in place. It is the same network as all devices/MBP’s in the house 
>>>>>>>> connect to. 
>>>>>>>> 
>>>>>>>> Just a note, on some occasions I see that the connection is a 
>>>>>>>> “Sharepoint”. No idea what this means but maybe helps in the solution 
>>>>>>>> process.
>>>>>>>> 
>>>>>>>> Regards
>>>>>>>> 
>>>>>>>> Pete.
>>>>>>>>> 
>>>>>>>>>> On 18 Apr 2018, at 6:01 am, Peter Crisp <[email protected] 
>>>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>>>> 
>>>>>>>>>> Hi Neil, thanks for that suggestion, I'll have a look at that one 
>>>>>>>>>> tonight when I get home. Pretty sure I only have the one Wi-Fi 
>>>>>>>>>> network and 5ghz only at that. Is it possible for a guest to connect 
>>>>>>>>>> to one network (the same as one used by registered users) but be 
>>>>>>>>>> connected as a Guest? That's how it seems to me.
>>>>>>>>>> 
>>>>>>>>>> Regards
>>>>>>>>>> 
>>>>>>>>>> Pete
>>>>>>>>>> 
>>>>>>>>>> On 17 Apr 2018, at 9:43 pm, Neil Houghton <[email protected] 
>>>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>>>> 
>>>>>>>>>>> Hi Peter,
>>>>>>>>>>>  
>>>>>>>>>>> Going from memory (some time & several OSes earlier) I set-up a 
>>>>>>>>>>> time capsule at a rellie’s house with a main network and a guest 
>>>>>>>>>>> network that visiting grandkids could use – they appeared as 
>>>>>>>>>>> separate networks (rather than logging-in to the same network as 
>>>>>>>>>>> user or guest) – I gave mine quite separate names to distinguish 
>>>>>>>>>>> which was which.
>>>>>>>>>>>  
>>>>>>>>>>> If you have both networks set-up you should see them in your 
>>>>>>>>>>> network preferences when you go to advanced, under the wi-fi tab, 
>>>>>>>>>>> eg I can see my main wi-fi and my iphone hotspot – even though the 
>>>>>>>>>>> hotspot is not currently on, it is remembered.
>>>>>>>>>>>  
>>>>>>>>>>> If you CAN see two networks here, you can re-order them to set your 
>>>>>>>>>>> preference (as it says – drag networks into the order you prefer) – 
>>>>>>>>>>> maybe the guest network is currently “preferred”.
>>>>>>>>>>>  
>>>>>>>>>>> Of course, your problem/issue may be something else entirely – but 
>>>>>>>>>>> it should be an easy check.
>>>>>>>>>>>  
>>>>>>>>>>> HTH
>>>>>>>>>>>  
>>>>>>>>>>>  
>>>>>>>>>>> Cheers 
>>>>>>>>>>>  
>>>>>>>>>>>  
>>>>>>>>>>> Neil
>>>>>>>>>>> -- 
>>>>>>>>>>> Neil R. Houghton
>>>>>>>>>>> Albany, Western Australia
>>>>>>>>>>> Tel: +61 8 9841 6063
>>>>>>>>>>> Email: [email protected] <mailto:[email protected]>
>>>>>>>>>>>  
>>>>>>>>>>>  
>>>>>>>>>>>  
>>>>>>>>>>>  
>>>>>>>>>>> From: <[email protected] 
>>>>>>>>>>> <mailto:[email protected]>> on behalf 
>>>>>>>>>>> of Peter Crisp <[email protected] 
>>>>>>>>>>> <mailto:[email protected]>>
>>>>>>>>>>> Reply-To: WAMUG <[email protected] <mailto:[email protected]>>
>>>>>>>>>>> Date: Tuesday, 17 April 2018 at 21:18
>>>>>>>>>>> To: WAMUG <[email protected] <mailto:[email protected]>>
>>>>>>>>>>> Subject: Re: Connection to Time Capsule
>>>>>>>>>>>  
>>>>>>>>>>> Hi Ronni yes I only have the 5GHz network connection. TM backups 
>>>>>>>>>>> are working correctly too with the reliable hourly backups 
>>>>>>>>>>> concluding with correct recording of them. I’ll keep the Guest 
>>>>>>>>>>> account in place as for the moment this is not a major issue for 
>>>>>>>>>>> me. Not urgent thanks Ronni once again for your input on this one. 
>>>>>>>>>>> <>
>>>>>>>>>>> Regards
>>>>>>>>>>>  
>>>>>>>>>>>  
>>>>>>>>>>> Pete
>>>>>>>>>>> 
>>>>>>>>>>> On 17 Apr 2018, at 8:55 pm, Ronda Brown <[email protected] 
>>>>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>>>>> 
>>>>>>>>>>> Hi Peter,
>>>>>>>>>>>  
>>>>>>>>>>> No I wouldn’t delete anything until we can work out how you are now 
>>>>>>>>>>> connected to your Wi-Fi Network as ‘Guest’ instead of your 
>>>>>>>>>>> administrator name you have always connected with. 
>>>>>>>>>>> Are you connected to the 5GHz on your dual-band  Network, not the 
>>>>>>>>>>> 2.5GHz? 
>>>>>>>>>>> Have you made any changes to your 5GHz or 2.5GHz Network.
>>>>>>>>>>> Are your Time Machine backups working correctly?
>>>>>>>>>>>  
>>>>>>>>>>> I have never heard of this happening before. I’ll give it more 
>>>>>>>>>>> thought overnight and tomorrow as I have another job to finish 
>>>>>>>>>>> tonight.
>>>>>>>>>>> I’ll get back to you if & when I can think clearly about this issue.
>>>>>>>>>>>  
>>>>>>>>>>> Regards,
>>>>>>>>>>> Ronni
>>>>>>>>>>> 
>>>>>>>>>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>>>>>>>>>>  
>>>>>>>>>>> 
>>>>>>>>>>> On 17 Apr 2018, at 8:28 pm, Peter Crisp <[email protected] 
>>>>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>>>>> 
>>>>>>>>>>> Hi Ronni, thanks for your response. I really don’t recall setting 
>>>>>>>>>>> up a Guest network - having had it for ~8 years I can’t recall. In 
>>>>>>>>>>> all that time I have never used a Guest network nor seen the need 
>>>>>>>>>>> to so I am happy to delete it - but don’t know how to. If I did 
>>>>>>>>>>> delete the Guest network, would that prevent me auto connecting and 
>>>>>>>>>>> hence interrupt the TC backups going on? I’d prefer to delete the 
>>>>>>>>>>> Guest network after I’ve resolved the auto connect as Admin.
>>>>>>>>>>>  
>>>>>>>>>>> Regards
>>>>>>>>>>>  
>>>>>>>>>>> Pete.
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> On 17 Apr 2018, at 8:17 pm, Ronda Brown <[email protected] 
>>>>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>>>>>  
>>>>>>>>>>> Hi Peter,
>>>>>>>>>>> Did you setup a Guest Network at some stage? Using a guest network 
>>>>>>>>>>> allows you to share you connection with guests to your house 
>>>>>>>>>>> without endangering your main network with all of your devices. 
>>>>>>>>>>> It appears as it you have two separate wi-fi base stations instead 
>>>>>>>>>>> of one.
>>>>>>>>>>> 
>>>>>>>>>>> Regards,
>>>>>>>>>>> Ronni
>>>>>>>>>>> 
>>>>>>>>>>> Sent from Ronni's iPhone 7 Plus
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> On 17 Apr 2018, at 7:57 pm, Peter Crisp <[email protected] 
>>>>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>>>>> 
>>>>>>>>>>> I have just last night realised that my connection to my Time 
>>>>>>>>>>> Capsule in my house has me connected as “Guest”. I think this is 
>>>>>>>>>>> just a recent thing as I would have recognised before now over the 
>>>>>>>>>>> 8 years odd I’ve had it. I can’t think what may have changed this 
>>>>>>>>>>> but wonder how I can actually alter this so my connection is in my 
>>>>>>>>>>> own name - as I am known to the network as? I had a bit of a Google 
>>>>>>>>>>> around but didn’t see anything specific to interrogate this one.
>>>>>>>>>>> 
>>>>>>>>>>> There are 5 of us in the house - all with a Macbook and even my 
>>>>>>>>>>> kids Macbooks default connection either has their name or 
>>>>>>>>>>> Administrator. Whilst this isn’t a security concern to me with them 
>>>>>>>>>>> so much but I am puzzled why the network “sees” me as a Guest in my 
>>>>>>>>>>> own home - so far as the TC connection goes!
>>>>>>>>>>> 
>>>>>>>>>>> I am able to do all other admin functions on the network so my 
>>>>>>>>>>> apparent admin status seems in order.
>>>>>>>>>>> 
>>>>>>>>>>> Any tips from anyone?
>>>>>>>>>>> 
>>>>>>>>>>> Regards
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> Pete
>>> 
> 
> 
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